July 21-23, 2015 Sacramento, CA AGENDA · EF Johnson EF Johnson Relm Relm Motorola Dräger AGENDA ITEM 9; REVIEW OF NFPA 1802 DRAFT (V. 2/1/15) John Morris started to lead a line-by-line

NFPA TECHNICAL COMMITTEE ON ELECTRONIC SAFETY EQUIPMENT

July 21-23, 2015

Sacramento, CA

AGENDA

Tuesday, July 21, 2015

1. 9:00 a.m. Call to Order - Chairman Bob Athanas

2. Introduction of Members and Guests

3. NFPA Staff Liaison Report - Dave Trebisacci

4. Approval of Minutes - March 10-12, 2015 TC meeting, Fort Lauderdale, FL (attached)

5. Chairman’s Remarks

6. NFPA 1801 Image Quality TG Report – Steve Townsend, Chad Morey

7. Review of 1801 Public Input (attached) 8. NFPA 1802 Task Group Reports 9. Review of NFPA 1802 Draft (version 7/1/2015 attached)

• Chapter 1 – Jose Velo

• Chapter 2 – Jose Velo

• Chapter 3 – Tim Wolfe, Beverly Gulledge

• Chapter 4 – Gordon Sletmoe

• Chapter 5 – Gerry Tarver

• Chapter 6 – Mike McKenna, Mike Worrell

• Chapter 7 – Mike McKenna, Mike Worrell, Steve Townsend

• Chapter 8 – John Morris, Chris Spoons 10. New Business – Upcoming meetings

• October 27-29, 2015 – Colorado Springs (NFPA 1802 Draft Development)

• March 7-9, 2016 – Fort Lauderdale (NFPA 1982 First Draft)

11. Adjourn at close of business on Thursday, July 23, 2015.

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MINUTES OF THE MEETING

TECHNICAL COMMITTEE ON ELECTRONIC SAFETY EQUIPMENT

10-12 MARCH 2015 FT. LAUDERDALE, FL

AGENDA ITEMS 1-3; CALL TO ORDER, SELF-INTRODUCTION OF MEMBERS AND GUESTS, NFPA STAFF LIAISON REPORT Chairman Athanas called the Committee to order at 09:15 on 10 March 2015. Chairman Athanas welcomed Committee members and guests and asked them to introduce themselves. David Trebisacci provided the staff liaison report and asked attendees to sign in on the appropriate Member or Guest sign-in sheet. He reviewed the following: an overview of the TC composition and balance, the timetable for the revisions of NFPA 1982 and NFPA 1801, legal issues and restrictions with which the TC must comply, and the process to submit and review NFPA 1801 public input. He later reviewed the NFPA Doc Info page for NFPA 1801. Members and Alternates Present:

Robert Athanas, Chairman FDNY/SAFE-IR Inc. Steven H. Weinstein, Acting Secretary Honeywell Safety Products (representing ISEA) David Trebisacci, Staff Liaison NFPA Kamil Agi K&A Wireless Joel Berger JVC Kenwood USA Corporation Matt Bowyer NIOSH Matthew Busa Motorola, Inc. Louis Chavez Underwriters Laboratories Inc. (via telephone) Matthew Cnudde USDA Forest Service Bill Forsyth USDA Forest Service Craig Gestler MSA Beverly Gulledge Scott Safety Wayne Haase Summit Safety, Inc. William Haskell NIOSH (via telephone) Simon Hogg Draeger Safety John Jarboe Grace Industries Steven Makky APCO International Inc. Brian Martens Harris Corporation Michael McKenna Michael McKenna & Associates Chad Morey Intertek Testing Services John Morris ISG Infrasys Timothy Rehak NIOSH Kevin Roche Phoenix Fire Department James Rose SEI Matthew Shannon Scott Safety Gordon Sletmoe Lebanon Fire District Steven Townsend Carrollton Fire Rescue Jose L. Velo San Francisco Fire Department Greg Vrablik Honeywell Safety Products (representing ISEA) Mike Worrell Phoenix Fire Department

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Guests Present: Todd Bianchi D.C. Fire & EMS Shane Bray MSA Michelle Donnelly NIST Ofodike Ezekoye University of Texas Austin (via telephone) John Facella Panther Pines Consulting Sandy Florence Motorola Solutions Scott Glazer Icom America Casey Grant NFPA Luke Hollmann Ultra Electronics USSI Jim Holthaus Relm Wireless Chuck Jaris Motorola Solutions Joel Johnson Savox Robert Keys FDNY Consulting LLC Barry Leitch FirstNet Kevin Lentz Grace Industries Nader Moayeri NIST (via telephone) Judge Morgan III Scott Safety Dennis Mull Ultra Electronics USSI Rebecca Norwood Harris Corporation John Oblak EF Johnson Technologies John Rehayem Otto Engineering Marcus Romba Dräger Christopher Sampl Fairfax County Fire Rescue Daniel Sanchez Motorola Solutions Ben Schaefer Underwriters Laboratories LLC Corina Stanescu Motorola Solutions Darin Thompson Scott Safety Achim Volmer Dräger Alan Wilson Harris Corporation Preston Wilson University of Texas Austin (via telephone) William Young NIST Chris Yttri Otto Engineering

AGENDA ITEM 4; APPROVAL OF MINUTES OF 18-20 NOVEMBER 2014 MEETING, TUCSON (AZ) Wayne Haase pointed out that he was present at the last meeting via telephone but was not listed as an attendee in the Minutes. He requested that the Minutes be amended to include his name.

MOTION BY JACK JARBOE; SECOND BY WAYNE HAASE To approve the Amended Minutes of the 18-20 November 2014 meeting in Tucson, AZ

MOTION CARRIED.

AGENDA ITEM 5; CHAIRMAN’S REMARKS Chairman Athanas informed the TC that Jason Allen’s wife, Sara, passed away. Chairman Athanas also discussed scheduling of future meetings and the agenda for the current meeting.

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AGENDA ITEM 6; NFPA 1982 (PASS) & TASK GROUP BREAKOUT Chairman Athanas led a review of NFPA 1982 and assigned Task Groups for each chapter as follows:

Chapter 2 Tim Rehak Chad Morey Jack Jarboe Chapter 3 Beverly Gulledge Jose Velo Chapter 4 Jim Rose Chapter 5 Steve Townsend’s Hazardous Locations (HazLoc) Task Group will address any issues in Chapter 5 and Chapter 7 regarding intrinsic safety or other hazardous location testing and certification methods. Mike Worrell will make the date change for section 5.1.6. Chapter 6 Jim Rose will submit public input for sections 6.4.3.9.1 through 6.4.3.9.4 to correct some inconsistencies in the definitions of Type 1, 2 and 3 chirps. Matt Busa asked that the TC consider interference with radios in the frequency requirements. Chapters 7 and 8 Jim Rose will coordinate changing section 7.6 with Steve Townsend. The RF Task Group and Bill Young will look at additional tests for RF PASS in Chapters 7 and 8. Annex Bill Young will be looking at including additional RF PASS material in the Annex.

AGENDA ITEM 7; PASS AUDIBILITY PROJECT AND SMART FIRE FIGHTING—CASEY GRANT, FPRF Casey Grant, from the Fire Protection Research Foundation, along with Ofodike Ezekoye and Preston Wilson from the University of Texas Austin, presented “Can You Hear Me Now?—The Next Generation of Fire Fighter PASS,” which summarized the PASS Audibility Project conducted by the University of Texas Austin. Results of the study can be viewed at www.firefighterpass.com and www.firefightinghandbook.com. After the presentation, Chairman Athanas broke the TC into several groups (manufacturers, audio/radio engineers/scientists, and fire service personnel) to discuss possible changes to NFPA 1982 that could be generated by the University of Texas study. After those groups met and reported back to the TC, the consensus of the TC was that there would be no immediate impact on NFPA 1982 by the University of Texas study. However, further research was encouraged on the following topics, as summarized by Kamil Agi:

http://www.firefighterpass.com/

http://www.firefightinghandbook.com/

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Interoperability and optimization between radio and PASS Here we would like to see the frequency and modulation of the PASS signal that is optimized with the radio. This is based on the Motorola discussion about the interference of the PASS signal with the digital vocoder.

Optimum pass signal for propagation and localization Here we would like to see the frequency and modulation of the PASS signal that optimizes for propagation and localization.

Does the PASS signal change when in a non-standard environment (e.g. when the PASS is manually activated during a mayday situation)? In this case, the radio communication may be more important than the PASS signal. The suggestion was whether the radio would interact with the PASS device by turning off the signal for 3-5 seconds (for example) while the radio is keyed to optimize communication.

Committee should develop optimization priority Here the comment was that you can't optimize for all scenarios, and so the committee should prioritize 5 or 10 scenarios that the PASS signal should be optimized for.

Multiple PASS alarms Here the scenario of interest is trying to understand (and measure) the case when multiple PASS alarms are triggered in multiple environments. What are the limitations and how to mitigate?

How to integrate the PASS with SCBA This includes a low air alarm and the PASS signal activating simultaneously.

Casey reported on the Smart Fire Fighting project. The presentation can be viewed at www.nfpa.org/smartfirefighting. Casey introduced Nader Moayeri from NIST, who gave a presentation on “NIST Plans for Testing Indoor Localization and Tracking Systems.” Chairman Athanas appointed Matt Cnudde as the TC’s liaison with Nader to monitor the progress of the development of the standard Nader is working on (ISO 18305). AGENDA ITEM 8; TASK GROUP REPORTS “Ambassadors” Task Group Steve Townsend reported that the IAB continues to be very interested in NFPA 1802. The law enforcement community is also interested. Mike Worrell reported that he gave a presentation to the IAFF. John Oblak reported on the TIA’s activities. Steve Makky reported that APCO received a federal grant to manage the P25 process. John Facella reported that he will be creating some publicity for the TC by an article he will be writing. Interoperability Task Group Task Group Chairman Mike McKenna asked Simon Hogg to report on speech quality measurement for NFPA 1802 using the PESQ test method to measure speech quality. Simon deferred to Achim Volmer, who presented Draeger’s proposal. Speech Intelligibility Task Group (New) Chairman Athanas announced the disbanding of the Sound Quality Task Group (chaired by Steve Townsend) and the replacement of that Task Group by the Speech Intelligibility Task Group (chaired by Mike McKenna).

http://www.nfpa.org/smartfirefighting

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Task Group Chairman Mike McKenna reported that the following people are members of his Task Group:

Kamil Agi Matt Busa Lou Chavez Luke Hollmann Brian Martens Chad Morey Judge Morgan John Morris John Oblak Greg Vrablik Chris Yttri

Harris Radio will be donating lab time and equipment for PESQ testing to develop a baseline. Intertek will send personnel to Harris to conduct the Harris PESQ testing. This is tentatively scheduled to take place in Rochester, NY. The deadline for results is May 1. The data generated will be provided to the TC before the July meeting. The following are scheduled to participate as of the date of these Minutes, although there could be additional participants:

Radio RSM Harris Harris Harris MSA Motorola Motorola Motorola Scott Kenwood Kenwood Harris Otto Harris Savox EF Johnson EF Johnson Relm Relm Motorola Dräger

AGENDA ITEM 9; REVIEW OF NFPA 1802 DRAFT (V. 2/1/15) John Morris started to lead a line-by-line discussion of Chapter 8 of NFPA 1802. His Task Group established the test matrix for Chapter 4, which then drives the sequence of testing in Chapter 8. Further work will be done to complete Chapter 8. Chairman Athanas summarized the conclusions reached by an ad hoc Task Group for dealing with the SCBA interface issue. The conclusions can be summarized as follows:

The radio shall be tested as an independent device to NFPA 1802.

The radio and RSM shall be tested as a system to NFPA 1802.

The interface cable and any other radio communication-associated components on the SCBA shall be tested as part of the SCBA to NFPA 1981 requirements.

A wireless RSM shall be considered an accessory of the radio and will be tested to NFPA 1802 as an RSM.

Any hard-wired or wireless device, other than an RSM, that communicates with the radio but is integrated into an NFPA-compliant product that is not a radio (e.g., a helmet, turnout gear or an

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SCBA) shall be tested to the requirements of the standard to which that product has been certified as NFPA-compliant. The TC on ESE will work with other TCs to ensure that appropriate communications performance requirements are added to those standards.

The general approach is to create performance requirements for radios and RSMs so that any NFPA 1802-compliant RSM can work interchangeably with any NFPA 1802-compliant radio, and any NFPA 1802-compliant radio can work interchangeably with any NFPA 1802-compliant RSM. An important facet of this approach is specifying standardized connectors. Chairman Athanas directed Mike McKenna, Mike Worrell and Steve Townsend to consider cable pullout requirements to include in the cable retention test requirements specified in Chapters 7 and 8, per a suggestion from Scott Glazer. AGENDA ITEM 10; OLD BUSINESS There was no old business. AGENDA ITEM 11; NEW BUSINESS Barry Leitch presented an overview of FirstNet. FirstNet will be participating in future TC meetings so that the FirstNet program can take NFPA radio performance requirements into account. AGENDA ITEM 12; ADJOURNMENT

MOTION BY MATTHEW BUSA; SECOND BY STEVE TOWNSEND To adjourn.

MOTION CARRIED.

Chairman Athanas adjourned the meeting at 11:55 on 12 March 2015. Respectfully submitted, Steven H. Weinstein, Acting Secretary Technical Committee on Electronic Safety Equipment

Public Input No. 53-NFPA 1801-2015 [ Section No. 1.3.5 ]

1.3.5

This standard shall not apply to criteria for the use of thermal imagers by the fire service, the requirements forwhich are specified in NFPA 1408, Standard for Training Fire Service Personnel in the Operation, Care, Use, andMaintenance of Thermal Imagers .

Statement of Problem and Substantiation for Public Input

Clarifies application. Refer to NFPA 1982 section 1.3.3

Submitter Information Verification

Submitter Full Name: JOHN MORRIS

Organization: ISG INFRASYS

Street Address:

City:

State:

Zip:

Submittal Date: Wed Jul 01 16:30:50 EDT 2015

National Fire Protection Association Report http://submittals.nfpa.org/TerraViewWeb/ContentFetcher?commentPara...

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Public Input No. 3-NFPA 1801-2014 [ Chapter 2 ]

Chapter 2 Referenced Publications

2.1 General.

The documents or portions thereof listed in this chapter are referenced within this standard and shall beconsidered part of the requirements of this document.

2.2 NFPA Publications.

National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02169-7471.

NFPA 1971, Standard on Protective Ensembles for Structural Fire Fighting and Proximity Fire Fighting, 2013edition .

2.3 Other Publications.

2.3.1 ANSI ISA Publications.

American National Standards Institute, Inc., 25 West 43d Street, 4th Floor, New York, NY 10036.

ANSI/ The International Society of Automation , 67 T.W Alexander Drive , P.O Box 12277 , ResearchTriangle Park, NC 27709 .

ISA-12.12.01, Nonincendive Electrical Equipment for Use in Class I and II, Division 2 and Class III, Divisions 1and 2 Hazardous (Classified) Locations, 2007 2013 .

2.3.2 ASTM Publications.

ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959.

ASTM B 117, Standard Practice for Operating Salt Spray (Fog) Apparatus, 2011.

ASTM D 1003, Standard Test Method for Haze and Luminous Transmittance of Transparent Plastics, 20002013 .

2.3.3 ISO/IEC Publications.

International Standards Organization, 1 rue de Varembé, Case Postale 56, CH-1211 Genéve 20, Switzerland.

IEC 60529, Degrees of protection provided by enclosures (IP Code) Ed.2. 2, 2013/Cor 1 b : 2001 2013 .

IEC 61000-6-2, Electromagnetic compatibility (EMC) — Part 6-2: Generic standards — Immunity for industrialenvironments, 2005.

IEC 61000-6-3, Electromagnetic compatibility (EMC) — Part 6-3: Generic standards — Emission standard forresidential, commercial, and light-industrial environments, 2007 2011 .

ISO 27, Guidelines for corrective action to be taken by a certification body in the event of misuse of its mark ofconformity, 1983.

ISO 65, General requirements for bodies operating product certification systems, 1998, (Superseded by ISO/IEC17065) .

ISO DIS 9001, Quality management systems — Requirements, 2008 2014 .

ISO 17011, Conformity assessment — General requirements for accreditation bodies accrediting conformityassessment bodies, 2004.

ISO 17025, General requirements for the competence of testing and calibration laboratories, 2005/Cor 1: 2006.

ISO 17493, Clothing and equipment for protection against heat — Test method for convective heat resistanceusing a hot air circulating oven, 2000.

ISO/IEC 17021, Conformity assessment — Requirements for bodies providing audit and certification ofmanagement systems, 2006 2011 .

ISO/IEC 17065, Conformity Assessment - Requirements for Bodies Certifiying Products, Processes, andServices, 2012.

2.3.4 NIST Publications.

National Institute of Standards and Technology, 100 Bureau Drive, Stop 1070, Gaithersburg, MD 20899-1070.

NIST Technical Note 1630, Evaluation of Image Quality of Thermal Imagers Used by the Fire Service, February2009.


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2.3.5 Other Publications.

Merriam-Webster’s Collegiate Dictionary, 11th edition, Merriam-Webster, Inc., Springfield, MA, 2003.

2.4 References for Extracts in Mandatory Sections. (Reserved)


Referenced current editions.

Related Public Inputs for This Document

Related Input Relationship

Public Input No. 4-NFPA 1801-2014 [Chapter B]


Submitter Full Name: Aaron Adamczyk

Organization: [ Not Specified ]

Street Address:

City:

State:

Zip:

Submittal Date: Fri Jun 27 22:07:28 EDT 2014


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2.3.1 ANSI Publications.


ANSI/ISA-12.12.01, Nonincendive Electrical Equipment for Use in Class I and II, Division 2 and Class III,Divisions 1 and 2 Hazardous (Classified) Locations, 2007 2013 .


Updates publication reference to latest edition of ISA 12.12.01. Changes between the 2007 and 2013 editions do not impact existing certifications.


Submitter Full Name: PAUL KELLY

Organization: UL LLC

Street Address:

City:

State:

Zip:

Submittal Date: Thu Nov 20 16:43:24 EST 2014


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The latest edition of ANSI/ISA 12.12.01 is dated 2013. The differences between the 2013 edition and the 2007 edition only involve increased certification options, and not any increases in severity of requirements.



Organization: UNDERWRITERS LABORATORIES INC

Affilliation: UNDERWRITERS LABORATORIES INC

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updated




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2.3.3 ISO/IEC Publications.

International Standards Organization, 1 rue de Varembé, Case Postale 56, CH-1211 Genéve 20, Switzerland.

IEC 60529, Degrees of protection provided by enclosures (IP Code) Ed. 2.1 b:2001.

IEC 61000-6-2, Electromagnetic compatibility (EMC) — Part 6-2: Generic standards — Immunity for industrialenvironments, 2005.

IEC 61000-6-3, Electromagnetic compatibility (EMC) — Part 6-3: Generic standards — Emission standard forresidential, commercial, and light-industrial environments, 2007.

ISO 27, Guidelines for corrective action to be taken by a certification body in the event of misuse of its mark ofconformity, 1983.

ISO 65, General requirements for bodies operating product certification systems , 1998 ISO17065:2012 ,Requirements for bodies certifying products, processes and services .

ISO 9001, Quality management systems — Requirements, 2008.

ISO 17011, Conformity assessment — General requirements for accreditation bodies accrediting conformityassessment bodies, 2004.

ISO 17025, General requirements for the competence of testing and calibration laboratories, 2005/Cor 1: 2006.

ISO 17493, Clothing and equipment for protection against heat — Test method for convective heat resistanceusing a hot air circulating oven, 2000.

ISO/IEC 17021, Conformity assessment — Requirements for bodies providing audit and certification ofmanagement systems, 2006.


Update reference document to current number and title.



Public Input No. 16-NFPA 1801-2014 [Section No. 4.1.2] Same reference document.


Submitter Full Name: James Rose

Organization: Safety Equipment Institute

Street Address:

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Submittal Date: Mon Nov 24 14:05:45 EST 2014


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Public Input No. 101-NFPA 1801-2015 [ New Section after 3.3.16 ]

TITLE OF NEW CONTENT - 3.3.XX Model.

The collective term used to identify a group of elements or items of the same basic design and components froma single manufacturer produced by the same manufacturing and quality assurance procedures that are coveredby the same certification.


The term Model should be added to Chapter 3 Degfinitions as it does not currently exist. The proposed wording was taken fron NFPA 1982 -2013. The committee may also want to include the Model # in this defiinition.


Submitter Full Name: ROBERT ATHANAS

Organization: FDNYSAFE-IR INCORPORATED

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Submittal Date: Mon Jul 06 13:04:45 EDT 2015


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TITLE OF NEW CONTENT -3.3.XX Service Life

The period for which compliant product may be useful before retirement.


The term SERVICE LIFE does not exist in the current standard and should be soemthing to be considerd for the end user to be informed of. This wording was taken from NFPA 1981-2013.




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4.1.2

All certification shall be performed by a certification organization that meets at least the requirements specified inSection 4.2, Certification Program, and that is accredited for personal protective equipment in accordance withISO 65 17065 , General requirements Requirements for bodies operating product certificationsystems certifying products, processes and services . The accreditation shall be issued by an accreditation bodyoperating in accordance with ISO 17011, Conformity assessment — General requirements for accreditationbodies accrediting conformity assessment bodies.


Update document number and title to current version.



Public Input No. 17-NFPA 1801-2014 [Section No. 4.2.3]





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4.1.7 Thermal imagers shall be listed to ANSI/ISA-12 .12.01, Nonincendive Electrical Equipment for Use in ClassI and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) L ocations, and shall meet therequirements for at least Class I, Division 2, Groups C and D and Class II, Division 2, Groups F and G hazardouslocations, and with a Temperature Class of T3, T3A, T3B, T3C, T4, T4A, T5 or T6. For the purpose of theimpact test referenced in 15.4 of ANSI/ISA-1 2.12.01, NFPA 1801 shall be considered the applicable standard for products in unclassified locations.


There are three key aspects to this input - - 1) Relocate Clause 7.1.4 to a new clause under 4.1 on general certification requirements, 2) Expand the Division 2 certification requirement to include Class II, Division 2, Groups F and G, in addition to the existing Class I, Division 2 requirements, and 3) Include reference to the T3 and T4 temperature classifications that have "A" suffixes, in addition to the existing reference to T3, T4, T5 and T6. The rationale for 1) is because compliance with ANSI/ISA-12.12.01 includes requirements for product labeling, user information, and design requirements, in addition to performance requirements. As written and located within the current edition of NFPA 1801, it could be mistakenly assumed that only compliance with the performance requirements in ANSI/ISA-12.12,01 is required. To address this issue, comparable text to 7.1.4 could be added under 5.1, 5.2 and 6.1, in addition to 7.1.4, but simply addressing the issue of compliance with ANSI/ISA-12.12.01 solely under 4.1 seemed simpler with less potential for confusion. The rationale for 2) is because exposure to Class II explosive dust atmospheres is a concern for this equipment, in addition to exposure to Class I explosive gas atmospheres. Compliance with these Class II, Division 2 requirements mostly involves use of a NEMA Type 12 or better enclosure. The rationale for 3) is because T3A, T3B, T3C and T4A are permitted temperature classifications between T3 and T6 in both ANSI/ISA-12.12.01 and in the NEC. See also Public Input No. 50-NFPA 1801-2015.





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4.2.3

The certification organization shall be accredited for personal protective equipment in accordance with ISO65 17065 , General requirements Requirements for bodies operating product certification systems certifyingproducts, processes and services . The accreditation shall be issued by an accreditation body operating inaccordance with ISO 17011, Conformity assessment — General requirements for accreditation bodies accreditingconformity assessment bodies.


Update ISO document number and title to current version.



Public Input No. 16-NFPA 1801-2014 [Section No. 4.1.2] Same reference document to be updated.




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4.2.9

The certification organization shall have a follow-up inspection program of the manufacturer’s facilities of thecompliant product with at least two random and unannounced visits per 12-month period to verify the product’scontinued compliance.

4.2.9.1

As part of the follow-up inspection program, the certification organization shall select sample compliant product atrandom from the manufacturer’s production line, from the manufacturer’s in-house stock, or from the openmarket.

4.2.9.2

Sample product shall be evaluated by the certification organization to verify the product’s continued compliancein order to ensure that the materials, components, and manufacturing quality assurance systems are consistentwith the materials, components, and manufacturing quality assurance that were inspected and tested by thecertification organization during initial certification and recertification.

4.2.9.3

The certification organization shall be permitted to conduct specific testing to verify the product’s continuedcompliance.

4.2.9.4

For products, components, and materials where prior testing, judgment, and experience of the certificationorganization have shown results to be in jeopardy of not complying with this standard, the certificationorganization shall conduct more frequent testing of sample product, components, and materials acquired inaccordance with 4.2.9.1 against the applicable requirements of this standard.


Whole chapter 4.2.9 can be removed.If chapter 7.1.4 is clarified so that certification to ANSI/ISA 12.12.01 is required, no follow-up inspection program is needed for NFPA1801.The ANSI/ISA12.12.01 ”Factory audit inspection” program, together with chapter 4.4.1 annual recertification will give the same effect. ANSI/ISA requires 4 yearly factory audit inspections. There is no need for additional NFPA1801 follow-up inspections above the annual NFPA1801 recertification and four factory audit inspections for ANSI/ISA.



Public Input No. 29-NFPA 1801-2014 [Section No.7.1.4]

If ANSI/ISA12.12.01 certification is required, 4.2.9 isunnecessary


Submitter Full Name: Lea Dabiri

Organization: Flir Systems

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Submittal Date: Mon Dec 15 09:32:22 EST 2014


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5.1.6

The following compliance statement shall be legibly printed on the product label:

“THIS THERMAL IMAGER MEETS THE REQUIREMENTS OF NFPA 1801, STANDARD ON THERMALIMAGERS FOR THE FIRE SERVICE ,

2013

20XX EDITION.

DO NOT REMOVE THIS LABEL!”


The date on the standard needs to be updated and corrected to the next edition




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5.1.7

Each thermal imager shall be marked directly with the serial number and the with a serial number and the yearand month of manufacture.


New verbiage indicates that both a serial number and the year and month of manufacture shall be marked. Hopefully this will prevent the year and month from being embedded somewhere in in the serial number.This verbiage also is closer to similar wording in section 5.1.8 making them more consistent.




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5.2.3

Information and materials regarding pre-operational use shall be provided on at least the following areas:

(1) Safety considerations

(2) Pre-use checks

(3) Limitations of use

(4) Power source requirements, type, and brand

(5) Estimated operation time on fully charged power source in each available mode

(6) Estimated operational time associated with each of the four segments on the Power Source Satus Indicator

(7) Low-power source signals and power supply replacement, where applicable

(8) Charging and recharging procedures

(9) Marking recommendations and restrictions

(10) Warranty information

(11) Recommended storage practices

(12) Mounting on/in vehicles or fire apparatus

(13) Explanation and identification of the features and functions of TI BASIC/TI BASIC PLUS

(14) Symbols and functions with associated temperature references in available operating modes

(15) If equipped with a temperature bar, adequate description of the use of the temperature bar

(16) If equipped with a numeric temperature indicator, adequate description of the use of the numerictemperature indicator

(17) If equipped with colorization, adequate description of the temperature thresholds for colorization


Although the standard specifies percentage of power availablepercentage means nothing to the user. We specify in section 6.1.2 that the the thermal imager shall be capable of continuously operationg for a minimum of 120 minutes in TI BASIC mode. If the manufacturer supplies a power source that is capable of operating for a minimum of 120 minutes or greater they should be able to provide the estimated level of power associated with each of the four segments in time. It should be noted that the operating time of a fully charged power source currently supplied in many thermal imagers far exceeds 120 minutes.




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6.1.2.1

All power sources consisting of battery cells and battery packs should be evaluated by a national recognizedtesting laboratory (NRTL) in accordance with the regulations outlined in UL 1642, Standard for Lithium Batteries ,or UL 2054, Standard for Household and Commercial Batteries , or .IEC62133 Safety requirements for portablesealed secondary cells, and for batteries made from them, for use in portable applications


Promotion of note hidden in the appendix to the main specification. Includes proposed amendment to A.6.1.2


Submitter Full Name: JON TURNER

Organization: E2V LTD

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6.1.2.2

All power sources consisting of battery cells and battery packs should have passed the UN38.3 T1 to T8 batterysafety tests at a 3rd party laboratory.


In order to ensure air transport safety, and to meet customer demand for transport of cargo containing lithium batteries, according to IATA "Dangerous Goods Rules, any Lithium batteries must have passed UN38.3 testing at a 3rd party laboratory.




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6.1.2*

All thermal imagers shall be capable of continuously operating for a minimum of 120 minutes in TI BASIC modein room temperature without the power source being changed or recharged.


Specifying environmental conditions for this requirement.




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Submittal Date: Wed Nov 19 13:07:44 EST 2014


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6.1.2 *

All thermal imagers shall be capable of continuously operating for a minimum of 120 minutes in TI BASIC modewithout the power source being changed or recharged.

The continuous operating time should be measured with any passive functions such as automatic backgroundvideo and image recording active.


Passive functions such as automatic background video and image recording may reduce the running time of the thermal imager preventing it from offering the required 120 minutes minimum of operating time.




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Minimum video refresh rate

All thermal imagers shall have a minumum video refresh rate of 30 frames per second.


The original intent of the document was to require video refresh rates of 30Hz or higher. This was discussed and included in the pre-NFPA technical document but was lost somewhere along the line. A low refresh rate camera will pass the NFPA 1801 image quality tests since all the NFPA testing is done on static images. A refresh rate of less than 30Hz can make navigation more difficult and may lead to firefighter disorientation.


Submitter Full Name: Craig Gestler

Organization: MSA

Affilliation: MSA

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Submittal Date: Fri Apr 25 15:58:02 EDT 2014


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6.1.7

All thermal imagers shall be provided with a method of with all of the methods/devices of attaching the thermalimager to the user , and the method of attachment shall not that the manufacturer may offer. Eachmethod/device shall be attached to the thermal imager and the user as intended. When attached to both the userand the thermal imager they shall not degrade the function or performance of the thermal imager.


We require that the thermal imager shall be provided with a method of attaching the thermal imager to the user, and the method of attachment shall not degrade the function or performance of the thermal imager but no where in the standard do we test for this.It is importaint to have have 6.1.7 as today most thermal imagers should and are intended to be attached to the user, possibly by a retractable lanyard or strap rather than to just be hand held. It is understood that there are several methods of attachement and it would be counterproductive to the process to have a manufactuer submitt all specimens with all the attachement variations for all the testing. It is recommended that each means of attachment that a manufacturer offers be be supplied to the testing lab and that the testing lab simply attach them to the thermal imager as intended and then to the person as intended by the manufactuer to determine if either the attachement point on the thermal imager and/or the method of attachement degrades the function or performance of the thermal imager.




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Public Input No. 57-NFPA 1801-2015 [ Section No. 6.2.1 [Excluding any Sub-Sections] ]

The thermal imager shall have a power–on/off button that cycles the thermal imager’s power. The power power–on/off button shall be located in an easily accessible area of the thermal imager.


provides consistency in verbiage




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Public Input No. 105-NFPA 1801-2015 [ Section No. 6.2.1.1 ]

6.2.1.1

The power–on/off button shall be capable of being switched by a gloved hand. The gloves used for this functiontest shall be contructed from American cow hide and include a PTFE moisture barrier and shall comply withstructural fire-fighting glove requirements of NFPA 1971, Standard on Protective Ensembles for Structural FireFighting and Proximity Fire Fighting.


The requirements for the gloves used for the power button test are not specific enough. The NFPA 1971 requirement for a structural fire fighting glove is a minimum requirement. Many firefighters choose to wear gloves that offer additional protection but are less compliant (flexible), making it more difficult to push buttons on the TIC. The "gloved hand" requirement should not be based on just the minimum glove requirements.



Organization: MSA Safety

Affilliation: MSA Safety

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6.2.1.1

The power–on/off button shall be capable of being switched by a gloved hand. The gloves used for this functiontest shall comply with structural fire-fighting glove requirements of NFPA 1971, Standard on ProtectiveEnsembles for Structural Fire Fighting and Proximity Fire Fighting .


Requirement for power-button is already covered by section 6.1.6 which covers all 'operational selection devices'


Submitter Full Name: BERND SPELLENBERG

Organization: DRAEGER SAFETY AG & CO KGAA

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Submittal Date: Wed Feb 25 08:56:32 EST 2015


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6.2.2

The power-on/off button shall be green in color. No other button(s) on the outside of the thermal imager shall begreen in color.






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6.2.3

The power-on/off button shall only turn the thermal imager “on,” turn the thermal imager “off,” and revert thethermal imager to the TI BASIC operational format from TI BASIC PLUS operational format.






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Public Input No. 60-NFPA 1801-2015 [ Section No. 6.2.5 [Excluding any Sub-Sections] ]

Where the power-on/off button is used to power up the thermal imager, the power-on process shall require thepower button to be pressed and held for no more than 1 second.






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6.2.5.2

Both the power-on/off button activation and the automatic activation shall present a useful thermal image on thedisplay in 60 seconds or less.






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6.2.5.2

Both the power button activation and the automatic activation shall present a useful thermal image on the with allthe icons required in the TI Basic Operational Format on the display in 60 30 seconds or less.


The time of 60 seconds was originally allocated for older technology (BST) thermal imagers that required a "warm up/start up" time. The BST technology is no longer manufactured. As the use of thermal imagers becomes more user friendly through training and simplification of use as allotted with this standard the presentation of a useful image on the display and the icons required by the TI Basic Operational Format should not be longer than 30 seconds




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6.2.5.2

Both the power button activation and the automatic activation shall present a useful thermal image on the displayin 60 in 10 seconds or less.


Should the thermal Imager for any reason need to have power reapplied, 60 seconds is much too long a period of time to be without an image. This reduced time of 10 seconds should be easily achievable.




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6.2.6

The power–on/off button shall be protected from accidental change of operation and impact damage.


Requirement of protection from 'accidental Change of mode of operation' is already covered by section 6.1.5 which requires for all 'operational selection devices' to be 'designed to prevent unintentional activation, deactivation, and change of operation'




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6.4.3

TI BASIC operational format functions shall include the following:

(1) Grayscale imagery with white-hot polarity

(2) Power source status

(3) Internal electronics overheat indicator

(4) Thermal imager “on” indicator

(5) Icons related to normal operation are permitted to be displayed


Manufactures display Icons on display e.g. current colour mode to help the user. Permitting these in TI Basic mode will reduce confusion when plus mode features are available and used.




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6.4.3



(2) Power source status indicator




Consistency in wording in the document




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6.4.3



(2) Power source status




Thermal imager "on" indicator does not add any relevant information for the user. When implemented on the screen it is already obvious that the TI is on. Not even when implemented as an additional indicator (e.g. LED) it does not add enought information to be motivated. There are e.g. cheaper ways to test batteries and if the display is broken, the camera is not functional any way.




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6.4.4

In addition to the requirements specified in 6.4.3, the TI BASIC operational format shall be permitted to alsoinclude the following:

(1) Heat indicating color and, if so equipped with heat indicating color, a color heat color reference bar

(2) Temperature bar

(3) Numeric temperature measurement indicator


Consistent terminology throughout the document




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6.4.4

In addition to the requirements specified in 6.4.3, the TI BASIC operational format shall be permitted to alsoinclude the following:

(1) Heat indicating color and, if so equipped with heat indicating color, a color reference bar

(2) Temperature bar

(3) Numeric temperature measurement indicator

(4) Passive functions such as automatic background video and image recording.


New features that have become popular since the original specification was released and where these are invisible to the user they should be made available within the TIBASIC operational format so that they can be maintained during power cycling. See clause 6.5.4




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6.5.1

TI BASIC PLUS operational format shall have at least the TI BASIC operational format functions specified in6.4.3, and any or all of the TI BASIC operational format functions listed in 6.4.4 shall also be permitted.


Consistency in wording throughout the standard




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TITLE OF NEW CONTENT 6.5.X Image/Audio Recording

The user shall have knowledge by some means (an icon or LED) that an internal recording device is/has beenturned on/ activated.

The recording device shall be capable of being turned off / de activated by either deprssing the greenpower/-on/off button or an alternative method of selecting the operational format other than by software accessvia a computer.


An internal "Blackbox" /recording feature may be benificial but can also be an item that can be utilized negatively in certain situations and the user/fire department may be held liable. The user should have a readily accessible option to deactivate the record feature.




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6.6.3.1 Additional Information Area, Left Vertical Section.

The left vertical section shall be reserved for additional information in both the TI BASIC and TI BASIC PLUSoperational formats utilizing standard icons/symbols and locations

and

.

In the TI BASIC operational format the Left Vertical Section shall include only the following:

(1) Low sensitivity mode indicator

(2) TI BASIC PLUS indicator upon activation, if so equipped

In the TI BASIC PLUS operational format the Left Vertical Section shall include the following:

(1) Low sensitivity mode indicator

(2) TI BASIC PLUS indicator upon activation

(3) Activation and status of optional TI BASIC PLUS features and functions, if so equipped


In the TI basic Operational Mode the Left vertical section should only display those indicators to be used by the operator in the TI Basic mode of operation. Any additional icons can be confusing and create discrepancies to user trained to use NFPA 1801 compliant thermal imagers especially if the user does not see the TI Basic Plus operational format indicator but does see other icons.




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6.6.3.2 Alarm and Operational Indicator Area, Center Vertical Section.

The center column of the display plane shall be reserved for the alarm and operational indicators and shallinclude the following:

(1) Power source status indicator

(2) Temperature measurement zone, if so equipped



Consistency throughout the standard




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Public Input No. 104-NFPA 1801-2015 [ Section No. 6.6.4.1.11 [Excluding any Sub-Sections] ]

In the TI BASIC mode, the heat color reference bar shall have a color scale that includes only the followingcolorization:

(1) Transparent — at the bottom of the heat color reference bar before color indication begins and shall notbe more than 50% of the overall height of the heat color refernce bar.

(2) Yellow — at the low end of the heat color reference bar

(3) Orange — in the middle of the heat color reference bar

(4) Red — at the high end of the heat color reference bar


Further clarification of the heat color refernce bar is required for standardization so as to not leave anything to interpretaion by the manufacturer.




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Public Input No. 76-NFPA 1801-2015 [ Section No. 6.6.4.1.11 [Excluding any Sub-Sections] ]

In the TI BASIC mode, the heat color reference bar shall have a color scale that includes only the followingcolorization:

(1) Transparent — GreyScale — at the bottom of the heat color reference bar before color indication begins

(2) Yellow — at the low end of the heat color reference bar

(3) Orange — in the middle of the heat color reference bar

(4) Red — at the high end of the heat color reference bar


This clarifies the original intent of the standard that the reference bar should show the display content appropriate to the temperature. In the case before colour indication begins would be a greyscale. Where this has been interpreted literally the temperature bar representation could become misleading due to the scene content mixing with the bar.




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Public Input No. 97-NFPA 1801-2015 [ Section No. 6.6.4.1.12 ]

6.6.4.1.12

The heat color reference bar shall be legible, shall extend to at least 75 percent of the height of the thermalimager display, and shall and can be dynamic in that it will change if necessary to correspond to thetemperatures set by the manufacturer in whatever sensitivity mode the thermal imager is in. The relationship ofcolour to scene temperature shall be the same in all sensitivity modes.


The duplication of one colour e.g. Yellow representing different temperatures eg. 150F, 400F and 800F is confusing and dangerous to the user.



Public Input No. 98-NFPA 1801-2015 [Section No. 6.6.4.1.13]




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6.6.4.1.13

Whenever any change occurs in the scale of the color reference bar, a green triangle shall be displayed for atleast x seconds above and connected to the color reference bar as shown in Figure 6.6.4.


Clarification in order to make the implementation easier and more standardized.




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6.6.4.1.13

Whenever any change occurs in the scale of the color reference bar, a green triangle shall be displayed aboveand connected to the color reference bar as shown in Figure 6.6.4 .


The triangle will remain on permanently after the first change occurs. It is therefor unable to indicate any further changes of the scale to the user, including the original start up condition. This does not add any useful functionality to the camera and does to help the user.







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6.6.4.5 Thermal Imager-On Indicator.

A visual indication to the user user other than a usable image on the display that the thermal imager is in thepowered-on operational mode shall be and shall be visible to the user any time the thermal imager is poweredon.


Although it may require more draw on the power supply an indicator should be available to the user to indicate the thermal imager is "on" in the case of a failure of the display or if a thermal imager is equipped with a Stand By/Sleep/Power Save feature




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6.6.4.5 Thermal Imager-On Indicator.

A visual indication to the user that the thermal imager is in the powered-on operational mode shall be visible tothe user any time the thermal imager is powered on.

6.6.4.5.1

This clause is satisfied by a thermal imager where the display is illuminated whenever the imager is switchedpowered on

.


The standard is not clear with regard to this clause and how it can be interpreted by manufacturers.




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6.6.4.7.2

The TI BASIC PLUS operational format indicator shall be an indicator consisting of a solid green “plus sign” ( + )enclosed in a transparent square box with a green border as shown in Figure 6.6.4.


Correction of wording.




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49 of 93 7/8/2015 10:23 AM

Public Input No. 99-NFPA 1801-2015 [ New Section after 7.1 ]

7.1.18

Thermal Imagers shall be tested for spot temperature accuracy, to verify design requirement in Section 6.6.4.1.6when viewing a small object.

Thermal Imagers shall be tested for relationship of colour to temperature to verify design requirement 6.6.4.2.


The specification is open to certifying a camera that can show an incorrect spot temperature due to failing to change sensitivity mode. The camera may therefore show the maximum temperature of ‘high sensitivity mode ‘say 300F while viewing a small hot object at 800F, therefore misleading the user. The same issue applies to colour related temperature.A suitable test method will require definition, but this could also be used to validate the requirement that colours are not repeated in the temperature range




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7.1.4

Thermal imagers shall be tested for listing listed to ANSI/ISA-12.12.01, Nonincendive Electrical Equipment forUse in Class I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations, and shall meetthe requirements for at least Class I, Division 2, Groups C and D hazardous locations, and with a TemperatureClass of T3 or T4 or T5 or T6. For the purpose of the impact test referenced in 15.4 of ANSI/ISA 12.12.01, NFPA1801 shall be considered the applicable standard for products in unclassified locations.


"Listed" will include ongoing compliance with the UL913 requirements since factory visits are included with listed products. Saying only "tested" only requires the manufacturer to test the product once. This change will clarify the requirement that the product shall be listed for ongoing compliance for annual re-certification.




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7.1.4

Thermal imagers shall be tested for listing be certified to ANSI/ISA-12.12.01, Nonincendive Electrical Equipmentfor Use in Class I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations, and shallmeet the requirements for at least Class I, Division 2, Groups C and D hazardous locations, and with aTemperature Class of T3 or T4 or T5 or T6. For the purpose of the impact test referenced in 15.4 of ANSI/ISA12.12.01, NFPA 1801 shall be considered the applicable standard for products in unclassified locations.


The products should be CERTIFIED to ANSI/ISA 12.12.01. Motivation: Statement from Stephen Sanders, Technical Director SEI (Safety Equipment Institute) ([email protected]): With regard to Section 7.1.4 of NFPA 1801-2013 and the need for certification vs. testing to the ANSI/ISA 12.12.01 standard… SEI has required “certification” for electronics to the various intrinsic safety and/or hazloc standards, as opposed to just testing to the requirements in the applicable standard.SEI’s rationale for requiring certification relies upon SEI understanding of the intent of the NFPA Technical Committees. In addition to NFPA 1801-2013, requirements for compliance of electronics with intrinsic safety standards exist in other similar NFPA standards, including both NFPA 1981-2013 (SCBA) and NFPA 1982-2013 (PASS). Both of these standards specifically require certification for electronics. While NFPA 1801-2013 may utilize the word “tested” in Section 7.1.4, we believe that it was the intent of both the NFPA Electronics Safety Equipment Technical Committee and its parent committee, the Correlating Committee, that a TIC’s electronics be certified (which of course includes testing/evaluation and follow-up factory visits) as opposed to just being tested.







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Submittal Date: Mon Dec 15 09:27:27 EST 2014


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7.1.4

Thermal imagers shall be tested for listing to ANSI/ISA-12.12.01, Nonincendive Electrical Equipment for Use inClass I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations, and shall meet therequirements for at least Class I, Division 2, Groups C and D hazardous locations, and with a Temperature Classof T3 or T4 or T5 or T6. For the purpose of the impact test referenced in 15.4 of ANSI/ISA 12.12.01, NFPA 1801shall be considered the applicable standard for products in unclassified locations.


The key aspect to this input is that it is not simply deleting 7.1.4, but instead is relocating Clause 7.1.4 to a new clause under 4.1 on general certification requirements (along with making some proposed revisions to the text as well). The rationale for relocating 7.1.4 is because compliance with ANSI/ISA-12.12.01 includes requirements for product labeling, user information, and design requirements, in addition to performance requirements. As written and located within the current edition of NFPA 1801, it could be mistakenly assumed that only compliance with the performance requirements in ANSI/ISA-12.12,01 is required. To address this issue, comparable text to 7.1.4 could be added under 5.1, 5.2 and 6.1, in addition to 7.1.4, but simply addressing the issue of compliance with ANSI/ISA-12.12.01 solely under 4.1 seemed simpler with less potential for confusion. See also Public Input No. 49-NFPA 1801-2015 (which includes details / rationale on the proposed revisions to the text).





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7.1.4

Thermal imagers shall be tested for listing to ANSI/ISA-12.12.01, Nonincendive Electrical Equipment for Use inClass I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations, and shall meet therequirements for at least Class I, Division 2, Groups C and D hazardous locations, and with a Temperature Classof T3 or T4 or T5 or T6. For the purpose of the impact test referenced in 15.4 of ANSI/ISA 12.12.01, NFPA 1801shall be considered the applicable standard for products in unclassified locations.

Assessment shall include all user removable parts in isolation and the action of removing them from the camerain the powered and unpowered state.

Where the use of a tool secured feature is relied upon to meet the ANSI / ISA 12.12.01 compliance and thisfeature is not engaged the camera shall inform the user by way of a message that prevents camera normal use.


Locking features that rely on the use of special tools to limit the ability to perform simple tasks such as battery replacement are often ignored by users that have not read the small print hidden in the product user guide. However the certification bodies are much more comfortable with this approach and adherence is recognised within the high risk Petrochemical / Mining Industries.




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7.1.6

Thermal imagers shall be tested for electromagnetic emission as specified in IEC 61000-6-3 4 , Electromagneticcompatibility (EMC) — Part 6-3 4 : Generic standards — Emission standard for residential, commercial, and light-industrial environments, and shall meet the emissions requirements.


Any situation requiring first responder intervention more closely mimics an industrial environment where the functionality of the equipment takes precedence over any EMC concerns that might be in place in a residential environment under normal circumstances. The industrial standard allows equipment designers greater latitude in designing equipment that must perform reliably in difficult situations.



Organization: MSA Safety, Inc

Affilliation: MSA Safety, Inc

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Submittal Date: Tue Dec 02 08:12:10 EST 2014


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8.1.3.5

Specimens are permitted to shall be optimally focused to 1 m by the manufacturer for this test.


SR targets are designed for testing at 1 meter therefor thermal imagers should be focused at 1 meter.




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Submittal Date: Thu Jul 02 08:02:54 EDT 2015


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8.1.3.5

Specimens are permitted to be optimally focused to 1 m by the manufacturer for this testThe specimens must be focused to 1m .


The test chart was designed to be viewed at 1m. The results obtained from a camera not focused at 1m may lead to the analysis program producing rogue values that may indicate better or worse performance than the camera is actually capable of. A relatively low spatial resolution camera may still achieve the minimum pass criterial of SR = 0.06. In addition a camera whose focus point moves, to (2m to 3m) may also show an improvement in the SR value. (data can be presented to show this but is much too big to attach.)




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Public Input No. 35-NFPA 1801-2015 [ Section No. 8.1.4.6 [Excluding any Sub-Sections] ]

The thermal imager positioning device shall position the thermal imager facing the spatial resolution source targetat a distance of 1 m ± 5 mm (40 39.4 in. ± 0.2 in) from the outermost optical element to the stencil.


The originally mentioned ranges 1m+/-5mm and 40in +/-0.2in did not even overlap.




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8.1.5.11

The image processing software shall scan each of the four regions of interest for the lightest pixel intensity (I max)

and the darkest pixel intensity (I min). The software shall then find the contrast of each of the four regions of

interest using Equation 8.1.5.11.

(8.1.5.11)

Additional Proposed Changes

File Name Description Approved

eg8_1_5_11.tif Corrected equation 8.1.5.11


Correction of math.




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8.1.5.18

Each of the four sets of converging lines shall be rotated such that the center line is vertical before selecting aregion of interest and performing calculations. The region of interest shall be selected from index 1 to 5 on the lowfrequency bars, and from index 5 to 9 on the high frequency bars. The region of interest shall be drawn along thelines as specified in Figure 8.1.5.18. No symbology shall be included in the ROI. In the case where symbologyinterferes with the target, the ROI shall be drawn around the interference such that horizontal lines areperpendicular to the center line and equal portions of white and dark areas are included.

Figure 8.1.5.18 Region of Interest Selection.



ROI-selection.tif original figure 8.1.5.18, rotated by 90 degrees ClockWise.


Section 8.1.5.18 is asking 'that Each of the four sets of converging lines shall be rotated such that the center line is vertical before selecting a Region of interest', figure 8.1.5.18 is showing a set of converging lines with a horizontal center line. It might be clearer to Show Image with orientation that is in line with wording, i.e. rotated 90 degrees.




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8.2.2.1

Samples shall be conditioned as specified in 8.1.3.

The pre-test image recognition values in the vertical and horizontal directions shall be recorded as specified inSection 8.1 , Image Recognition Test.


This may have been an unintentional consequence when the specification was revised. The thermal imagers need to be checked before they are subjected to any form of mechanical testing to confirm that they are optically compliant.




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8.3.2.1

SamplesThe pre-test image recognition values in the vertical and horizontal directions shall be

conditionedrecorded as specified in Section 8.1 , Image Recognition Test .

3.


This may have been an unintentional consequence when the specification was revised. The thermal imagers need to be checked before they are subjected to any form of mechanical testing to confirm that they are optically compliant.




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8.3.3.3

Specimens shall be conditioned at a temperature of 22°C ± 3°C (72°F ± 5°F), and a relative humidity of 50percent ± 25 percent, for at least 4 hours.


This is a duplicated requirement that is covered by the procedures in 8.3.4.1.1 / 8.3.4.1.2 / 8.3.4.1.3




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8.5.3 Specimens.

8.5.3.1

Specimens for testing shall be complete thermal imager viewing surfaces or representative plaques.

8.5.3.2

Seven specimens shall be chosen from a minimum of three viewing surfaces.

8.5.3.2.1

Four specimens shall be taken

from the left viewing area, and three specimens shall be taken from the right viewing area.

8.5.3.2.2

. One of the four specimens

taken from the left viewing area

shall be the set-up specimen.

8.5.3.3

The left test specimen specimens shall include all of the following criteria:

(1) The specimen shall be a square measuring 50 mm × 50 mm (2 in. × 2 in.).

(2) Two edges of the square section shall be parallel within ±2 degrees of the axis of the cylinder or cone in thecenter of the sample.

(3) At least 38 mm (1 1 ⁄ 2 in.) of the 50 mm × 50 mm (2 in. × 2 in.) square shall be taken from the left side ofthe center line of the viewing surface.

8.5.3.4

The right test specimens shall include all of the following criteria:


(2) Two edges of the square section shall be parallel within ±2 degrees of the axis of the cylinder or cone inthe center of the sample.

(3) At least 38 mm (1 1 ⁄ 2 in.) of the 50 mm × 50 mm (2 in. × 2 in.) square shall be taken from the rightside of the centerline of the lens.

8.5.3.5

Each of the specimens shall be cleaned in the following manner:

(1) The specimen shall be rinsed with clean tap water.

(2) The specimen shall be washed with a solution of nonionic/low-phosphate detergent and water using aclean, soft gauze pad.

(3) The specimen shall be rinsed with de-ionized water.

(4) The specimen shall be blown dry with clean compressed air or nitrogen.

8.5.3.6 5

Specimens shall be conditioned at a temperature of 22°C ± 3°C (72°F ± 5°F), and a relative humidity of 50percent ± 25 percent, for at least 4 hours.

8.5.3.7 6

Specimens shall be tested within 5 minutes after removal from conditioning.


The display area from which the samples are taken is not generally large enough to take samples from the left and right sides. In practice, the samples have significant overlap and there is no real difference between left and right. The requirement was likely a relic from the NFPA 1981 SCBA face piece lens abrasion test where there could be significant differences from the right and left sides. Eliminating the extra samples saves time and money.


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65 of 93 7/8/2015 10:23 AM

Public Input No. 72-NFPA 1801-2015 [ Section No. 8.5.3.2 [Excluding any Sub-Sections] ]

Seven specimens shall be chosen from a minimum of three sample viewing surfaces.


Clarification




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8.5.3.2.1

Four specimens shall be taken from the left viewing area, and three specimens shall be taken from the rightviewing area.


This section was cut and pasted from SCBA mask standard and is not directly applicable to this standard since manufacturers typically provide representative plaques and samples are not cut from cameras. A TIC camera screen is typically not large enough to provide seven samples from a single piece.




Public Input No. 23-NFPA 1801-2014 [Section No. 8.5.3.3]




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Public Input No. 71-NFPA 1801-2015 [ Sections 8.5.3.2.1, 8.5.3.2.2 ]

Sections 8.5.3.2.1, 8.5.3.2.2

8.5.3.2.1

Four Seven specimens shall be taken from the left viewing area, and three specimens shall be taken from theright viewing area .

8.5.3.2.2

One of the four seven specimens taken from the left viewing area shall be the set-up specimen.


The original wording was taken from NFPA 1981 and was used for samples from Face piece lenses. The revised wording is suitable for smaller lens of thermal imager.




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8.5.3.2.2

One of the four specimens taken from the left viewing area specimen shall be the set-up specimen.


Simplify definition of the setup specimen to eliminate reference to left or right specimens in other sections which should be deleted.



Public Input No. 21-NFPA 1801-2014 [Section No. 8.5.3.2.1] Definition of lens specimens.




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8.5.3.3

The left test specimen specimens shall include all of the following criteria:


(2) Two edges of the square section shall be parallel within ±2 degrees of the axis of the cylinder or cone in thecenter of the sample.

(3) At least 38 mm (1 1⁄2 in.) of the 50 mm × 50 mm (2 in. × 2 in.) square squares shall be taken from the leftside (four samples) and right side (three samples) of the center line of the viewing surface.


Update sample descriptions to be consistent with changes to section 8.5.3.2



Public Input No. 21-NFPA 1801-2014 [Section No. 8.5.3.2.1] Description of samples for testing.




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Public Input No. 73-NFPA 1801-2015 [ Sections 8.5.3.3, 8.5.3.4 ]

Sections 8.5.3.3, 8.5.3.4

8.5.3.3

The left test specimen shall include all of the following criteria:



(3) At least 38 mm (1 1 ⁄ 2 in.) of the 50 mm × 50 mm (2 in. × 2 in.) square shall be taken from the left side ofthe center line of the viewing surface.

8.5.3.4

The right test specimens shall include all of the following criteria:



(3) At least 38 mm (1 1 ⁄ 2 in.) of the 50 mm × 50 mm (2 in. × 2 in.) square shall be taken from the rightside of the centerline of the lens.


clarified for thermal imager lens.




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8.5.5 Procedure.

8.5.5.1

The haze of the specimen shall be measured using a haze meter in accordance with ASTM D 1003, StandardTest Method for Haze and Luminous Transmittance of Transparent Plastics, and recorded with the followingadditions:

(1) The haze shall be measured in the middle 2 mm2 of the specimen.

(2) The specimen shall be repositioned to achieve the maximum haze value within the area defined in 8.5.5.1(1).

(3) The haze meter shall have a specified aperture of 22 mm.

(4) The haze meter shall have a visual display showing 0.1 percent resolution.

(5) The haze meter shall be calibrated before and after each day’s use following procedures specified in ASTMD 1003, Standard Test Method for Haze and Luminous Transmittance of Transparent Plastics.

8.5.5.2

The set-up specimen shall be placed cover side up in the test apparatus specimen holder. The specimen holdershall be configured with a flat surface under the lens or with an inner radius support.

8.5.5.3

The pad holder shall consist of a cylinder 9.5 mm (0.4 in.) high and 25 mm (1 in.) in diameter with a radius ofcurvature equal to the radius of curvature of the outside of the lens in the viewing area ±0.25 diopter. This cylindershall be rigidly affixed to the stroking arm by a #10-32 UNF threaded rod.

8.5.5.4

The pad shall be a Blue Streak M306M wool felt polishing pad 23 mm (0.9 in.) in diameter.

8.5.5.5

The abrasive disc shall be made from 3M Part Number 7415, Wood Finishing Pad. A disc 23 mm (0.9 in.) indiameter shall be cut from the abrasive sheet. The marked side of the disc shall be placed against the pad. Careshall be exercised to maintain this orientation for each abrasive disc throughout the testing.

8.5.5.6

The pad holder, pad, and abrasive disc shall be installed on the stroking arm. The stroking arm shall be leveled to±3 degrees by adjusting the threaded pin. The pin shall be secured to prevent rotation of the pad holder. The axisof curvature of the pad holder shall be coincident with the axis of curvature of the lens.

8.5.5.7

The stroking arm shall be counterbalanced with the pad holder, pad, and abrasive disc in place.

8.5.5.8

The set-up specimen shall be replaced with one of the six three specimens to be tested.

8.5.5.9

A 1000 g ± 5 g (2.7 lb ± 0.16 oz.) test weight shall be installed on the pin above the test sample.

8.5.5.10

The test shall be run for 200 cycles ± 1 cycle. One cycle shall consist of a complete revolution of the eccentricwheel.

8.5.5.11

The length of stroke shall be 14 mm ( 1⁄2 in.), producing a pattern 38 mm (1 1⁄2 in.) long. The frequency of thestroke shall be 60 cycles per minute ± 1 cycle per minute. The center of the stroke shall be within ±2 mm (±0.08in.) of the center of the specimen.

8.5.5.12

The specimen shall be removed and cleaned following the test procedure. The abrasive disc shall be discarded.

8.5.5.13

The haze of the sample shall be measured following the test procedure.

8.5.5.14

The delta haze shall be calculated by subtracting the initial haze from the final haze.


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8.5.5.15

The testing steps specified in 8.5.5.8 through 8.5.5.14 shall be repeated five two times with a new sample andabrasive disc.


Correcting the number of samples required. Per the comment on 8.5.3, only 4 samples will be required; one for setup and the other three for the actual test.





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8.5.6 Report.

The six three delta haze values shall be averaged, recorded, and reported.


Correcting the number of required samples





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8.6.3.5

Manufacturers shall be permitted to optimally focus specimens to a distance of 1 m for this test.


All samples should be focused at 1 meter for test methods.




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8.7.3.1

Samples Specimens for testing shall be complete viewing surfaces or minimum 50 mm × 50 mm (2 in. × 2 in.)identically coated and prepared coupons. thermal imagers.


Specimens for heat and flame test are complete thermal imagers.




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8.7.3.1

Samples shall be complete viewing surfaces or minimum 50 mm × 50 mm (2 in . × 2 in.) identically coated andprepared coupons.


Typographical error in cut and paste.




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8.10.4.5

The visible spectrum camera shall be a Nikon D3 as specified in 8.10 1 .4.7.


Correction of reference.







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8.10.4.6

The visible spectrum camera shall be mounted as specified in 8.10 1 .4.8 such that the thermal imager displayfills 90 percent of the FOV in the vertical dimension and is in focus.


Correction of reference.



Public Input No. 39-NFPA 1801-2015 [Section No. 8.10.4.5] Similar error




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8.11.5.4

The rotary stage shall be turned to a position in which a distinct point on the thermal target is positioned at thecenter of the extreme left edge of furthest left active image element of the thermal imager FOV. The angularposition, AH1, of the rotary stage shall be recorded.


Clarification on measurement technique, particularly in respect of icons near to the edge of the screen.









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8.11.5.5

The rotary stage shall be turned to a position in which the same distinct point on the thermal target is positioned atthe center of the extreme right edge of furthest right active image element of the thermal imager FOV. Theangular position, AH2, of the rotary stage shall be recorded.









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8.11.6.4

The rotary stage shall be turned to a position in which a distinct point on the thermal target is positioned at thecenter of the extreme bottom edge the furthest bottom active image element of the thermal imager FOV. Theangular position, AV1, of the rotary stage shall be recorded.









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8.11.6.5

The rotary stage shall be turned to a position in which the same distinct point on the thermal target is positioned atthe center of the extreme top edge the furthest top active image element of the thermal imager FOV. Theangular position, AV2, of the rotary stage shall be recorded.









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8.11.6.6

The horizontal The vertical FOV is the absolute value of the difference between AV2 and AV1.


Typographical error in cut and paste from previous section.




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8.12.4.5

The temperature accuracy of the emitting surfaces shall be 0.02°C (32°F 0.04°F ) or better. The stability of theemitting surface temperatures shall be 0.01°C (32°F 0.04°F ) or better.


Error in Celsius / Fahrenheit conversion corrected




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8.13.5 Procedure 1.

8.13.5.1

The pre-test image recognition values in the vertical and horizontal directions shall be recorded as specified inSection 8.1, Image Recognition Test.

8.13.5.2

The test specimen shall be placed in the environmental conditioning test chamber that has been stabilized at49°C, +3°/-0°C (120°F, +5°/-0°F).

8.13.5.3

After 6 hours, the temperature shall be raised within 1 hour to 60°C, + 3°/-0°C (140°F, + 5°/-0°F) and maintainedfor 4 hours.

8.13.5.4

The temperature shall then be decreased within 1 hour to 49°C, +3°/-0°C (120°F, +5°/-0°F).

8.13.5.5

This cycle shall be repeated twice.

8.13.5.6

After the second cycle, the temperature shall be raised to 60°C, +3°/-0°C (140°F, +5°/-0°F) for 4 hours.

8.13.5. 7

The test specimen shall be removed following the conditioning specified in 8.13.5.2, and within 30 seconds thespecimens shall be immersed in the water dunk container containing the de-ionized water for 30 minutes, + 5/-0minutes.

8.13.5.7.1

The test specimens shall be removed from the water dunk container, wiped dry, and placed in the environmentalconditioning test chamber that has been stabilized at -20°C, + 3°/-0°C (-4°F, + 5°/-0°F) and maintained for aminimum of 4 hours.

8.13.5.7.2

Following the 4-hour conditioning of the test specimen at -20°C (-4°F), the test specimen shall be removed fromthe environmental conditioning test chamber and within 30 seconds shall be re-immersed in the water dunkcontainer for 30 minutes, + 5/-0 minutes.

8.13.5.8

The test specimens shall be removed from the water dunk container, wiped dry, and placed in the tumble testapparatus. Only one specimen shall be tested in the tumble test apparatus at a time. All specimens shall beunrestrained.

8.13.5.8.1

The tumble test apparatus shall be run at a speed of 15 rpm ± 1 rpm.

8.13.5.8.2

The test shall be run for 30 minutes, + 5/-0 minutes.

8.13.5.8.3

Upon completion of the test duration, the specimens shall be immersed in the water dunk container for 30minutes, + 5/-0 minutes.

8.13.5.8.4

The test specimens shall be blown dry with clean compressed air or nitrogen until the lens and viewing windowsare free from all moisture. Evaluation of the three specimens shall begin within 5 minutes of completion of drying.

8.13.5.8.5

The specimens shall be evaluated for post-test image as specified in Section 8.1, Image Recognition Test, andthe post-test image recognition values in the vertical and horizontal directions shall be recorded.

8.13.5.8.6

One test specimen shall be selected at random, and its electronics compartment shall be opened and checked forwater leakage.


Cycling the temperature between 49C and 60C is not creating enough of a temperature differential to truly test the


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product. In addition, the long dwell times and multiple cycles make the test very difficult to run from a practical perspective. The test cannot be completed in a work day.The 60C soak at 4 hours provides more than ample time for the camera to come to equilibrium and provides the desired temperature stress.





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Public Input No. 74-NFPA 1801-2015 [ Sections 8.13.5.1, 8.13.5.2, 8.13.5.3, 8.13.5.4, 8.13.5.5,

... ]

Sections 8.13.5.1, 8.13.5.2, 8.13.5.3, 8.13.5.4, 8.13.5.5, 8.13.5.6

8.13.5.1

The pre-test image recognition values in the vertical and horizontal directions shall be recorded as specified inSection 8.1, Image Recognition Test.

8.13.5.2

The test specimen shall be placed in the environmental conditioning test chamber that has been stabilized at49°C, + 3°/-0°C (120°F, + 5°/-0°F) and maintained for 4 hours .

8.13.5.3

After 6 hours, the The temperature shall then be raised within 1 hour to 60°C, + 3°/-0°C (140°F, + 5°/-0°F) andmaintained for 4 hours.

8.13.5.4

The temperature shall then be decreased within 1 hour to 49°C, + 3°/-0°C (120°F, + 5°/-0°F) and maintained for4 hours .

8.13.5.5

This cycle shall be repeated twice The temperature shell then be raised within 1 hour to 60C, 3/-0C (140F 5/-0F)and maintained for 4 hours .

8.13.5.6

After the second cycle, the The temperature shall then be raised to 60°C, + decreased within 1 hour to 49°C,3°/-0°C (140°F 120°F, + 5°/-0°F) and maintained for 4 hours.


Clarifying wording.




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8.13.7.4

The second random test specimen shall be deactivated and the any power supply compartment(s) and externalpower supplies shall be opened and inspected for water leakage.


Change text to be consistent with section 8.13.8.2 and 8.13.8.3.




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Public Input No. 52-NFPA 1801-2015 [ New Section after A.3.3.20 ]

TITLE OF NEW CONTENT

A.4.1.7 Listing of thermal imagers as Nonincendive equipment to ANSI/ISA-12.12.01 shall involve a combination ofClass I, Division 2 explosion protection techniques and Class II, Division 2 explsoion protection techniques. Regarding Class I, Division 2 explosion protection techniques, this can involve one or more of the following:

(1) hermetically sealed device - a device that is sealed against the entrance of an external atmosphere and inwhi ch the seal is made by fusion; e.g., soldering, brazing, welding, or the fusion of glass to metal.

(2) non-sparking device - device constructed to minimize the risk of occurrence of arcs or sparks capable ofcreating an ignition hazard during conditions of normal operation

(3) nonincendive circuit - a circuit, other than nonincendive field wiring, in which any arc or thermal effectproduced under normal operating conditions, is not capable of igniting the flammable gas-, vapor-, dust-airmixture, fibers or flyings. The circuit is evaluated under prescribed test conditions.

(4) nonincendive component - a component having contacts for making or breaking an incendive circuit and thecontacting mechanism is constructed so that the component , under normal operating conditions, is notcapable of igniting the flammable gas or vapor -air mixture. The housing of a nonincendive component isnot intended to exclude the flammable atmosphere or contain an explosion. The component is evaluatedunder prescribed test conditions.

(5) sealed device - a device so constructed that it cannot be opened during normal operational conditions oroperational maintenance; it is sealed to restrict entry of an external atmosphere.

Regarding Class II, Division 2 explosion protection techniques, this can involve one or more of the following:

(1) dust-tight - enclosures constructed so that dust will not enter under specified test conditions.

(2) hermetically sealed device - a device that is sealed against t he entrance of an external atmosphere and inwhi ch the seal is made by fusion; e.g., soldering, brazing, welding, or the fusion of glass to metal.

(3) nonincendive circuit - a circuit, other than nonincendive field wiring, in which any arc or thermal effectproduced under normal operating conditions, is not capable of igniting the flammable gas-, vapor-, dust-airmixture, fibers or flyings. The circuit is evaluated under prescribed test conditions.

(4) sealed device - a device so constructed that it cannot be opened during normal operational conditions oroperational maintenance; it is sealed to restrict entry of an external atmosphere.


To help with the understanding of what listing to ANSI/ISA-12.12.01 involves, some explanatory details would be helpful.





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Submittal Date: Sun Jun 14 09:52:17 EDT 2015


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Public Input No. 91-NFPA 1801-2015 [ Section No. A.6.1.2 ]

A.6.1.2

All power sources consisting of battery cells and battery packs should be evaluated by a national recognizedtesting laboratory (NRTL) in accordance with the regulations outlined in UL 1642, Standard for Lithium Batteries,or UL 2054, Standard for Household and Commercial Batteries, or both. IEC62133 Safety requirements forportable sealed secondary cells, and for batteries made from them, for use in portable applications


New International Safety Standard for batteries, equivalent to UL1642. Many Cell manufactures will only obtain one listing.







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Public Input No. 4-NFPA 1801-2014 [ Chapter B ]

Annex B Informational References

B.1 Referenced Publications.

The documents or portions thereof listed in this annex are referenced within the informational sections of thisstandard and are not part of the requirements of this document unless also listed in Chapter 2 for other reasons.

B.1.1 NFPA Publications.

National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02169-7471.

NFPA 5000 ®, Building Construction and Safety Code ®, 2012 edition 2015 .

B.1.2 Other Publications.

B.1.2.1 JEDEC Publications.

Joint Electron Devices Engineering Council, 3103 North 10th Street, Suite 240–S, Arlington, VA 22201.

JEP131A, Potential Failure Mode and Effects Analysis (FMEA), 2005.

B.1.2.2 UL Publications.

Underwriters Laboratories Inc., 333 Pfingsten Road, Northbrook, IL 60062-2096.

UL 1642, Standard for Lithium Batteries, 2005, Revised 2009 2013 .

UL 2054, Standard for Household and Commercial Batteries, 2004, Revised 2009 2011 .

B.2 Informational References.

(Reserved)

B.3 References for Extracts in Informational Sections.

(Reserved)


Referenced current editions.



Public Input No. 3-NFPA 1801-2014 [Chapter 2] Referenced current editions.


Submitter Full Name: Aaron Adamczyk

Organization: [ Not Specified ]

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Submittal Date: Sat Jun 28 00:59:28 EDT 2014


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Public Input No. 51-NFPA 1801-2015 [ New Section after B.3 ]

Annex X Explosion Protection Requirements for Electronic Safety Equipment

(See attached draft Annex:"NFPA_1801_Annex_on_Explosion_Protection_Requirements_for_Electronic_Safety_Equipment_(rev).doc")



NFPA_1801_Annex_on_Explosion_Protection_Requirements_for_Electronic_Safety_Equipment_rev_.doc

Annex on Explosion Protection Requirements for Electronic Safety Equipment


This Annex is being proposed as a resource for informative material that can be referenced when determining the applicable explosion protection standard for electronic safety equipment.





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Annex X Explosion Protection Requirements for Electronic Safety Equipment

This annex is not a part of the requirements of this NFPA document but is included for informational purposes only.

X.1 Introduction. This NFPA standard includes requirements that define the level of explosion protection necessary for the electronic safety equipment under the scope of the standard. .

These explosion protection requirements include a normative reference to an American National Standards Institute (ANSI) standard for a protection technique for hazardous (classified) locations as defined in the National Electrical Code (NEC), ANSI/NFPA 70.

Note: See Articles 500, 505 and 506 of the NEC for additional details.

X.2 Overview of Hazardous (Classified) Locations. According to the NEC, there are two systems under which hazardous locations can be classified – the Division system and the Zone system. Under either system, hazardous locations are classified based on the following attributes:

Type of explosive atmosphere

Likelihood that the type of explosive atmosphere is present when equipment is operating

Ignition-related properties of the type of explosive atmosphere

Maximum surface temperature of the equipment under operating conditions

Under the Division and Zone systems, the following are three types of explosive atmospheres in accordance with the NEC:

Class I: Flammable gases, flammable liquid–produced vapors, & combustible liquid–produced vapors.

Class II: Combustible dusts.

Class III: Ignitable fibers/flyings.

Note: The terms “Class II” and “Class III” are only used under the Division system as a means to designate these explosive atmospheres. These terms are not used under the Zone system. Under the Zone system, the Zone and Group designations noted below are used to designate explosive atmospheres that involve combustible dusts or ignitable fibers/flyings.

Under the Division system, the following are designations indicating the likelihood that the type of explosive atmosphere is present when equipment is operating:

Division 1: The explosive atmosphere can exist all of the time or some of the time under normal operating conditions.

Division 2: The explosive gas or dust atmosphere respectively is not likely to exist under normal operating conditions.

Under the Zone system, the following are designations indicating the likelihood that the type of explosive atmosphere is present when equipment is operating:

Zone 0 or Zone 20: The explosive gas or dust atmosphere respectively is present continuously or for long periods of time under normal operating conditions.

Zone 1 or Zone 21: The explosive gas or dust atmosphere respectively is likely to exist under normal operating conditions.

Zone 2 or Zone 22: The explosive gas or dust atmosphere respectively is not likely to exist under normal operating conditions.

Note: The likelihood that an explosive atmosphere is present based on a Division 1 designation is the same as the combination of a Zone 0 and a Zone 1 designation, or of a Zone 20 and a Zone 21 designation. The likelihood that an explosive atmosphere is present based on a Division 2 designation is the same as a Zone 2 or a Zone 22 designation.

Under the Division system, the following are designations indicating the ignition-related properties of Class I explosive gas atmospheres:

Group A: Acetylene explosive gas atmosphere.

Group B: Explosive gas atmosphere mixed with air that may burn or explode, having either a maximum experimental safe gap (MESG) value less than or equal to 0.45 mm or a minimum igniting current ratio (MIC ratio) less than or equal to 0.40. The representative test gas for Group B is hydrogen.

Group C: Explosive gas atmosphere mixed with air that may burn or explode, having either a maximum experimental safe gap (MESG) value greater than 0.45 mm and less than or equal to 0.75 mm, or a minimum igniting current ratio (MIC ratio) greater than 0.40 and less than or equal to 0.80. The representative test gas for Group C is ethylene.

Group D: Explosive gas atmosphere mixed with air that may burn or explode, having either a maximum experimental safe gap (MESG) value greater than 0.75 mm or a minimum igniting current ratio (MIC ratio) greater than 0.80. The representative test gas for Group D is propane.

Under the Zone system, the following are designations indicating the ignition-related properties of Class I explosive gas atmosphere:

Group IIC: Explosive gas atmosphere containing acetylene, hydrogen, or flammable gas, flammable liquid–produced vapor, or combustible liquid–produced vapor mixed with air that may burn or explode, having either a maximum experimental safe gap (MESG) value less than or equal to 0.50 mm or minimum igniting current ratio (MIC ratio) less than or equal to 0.45. The representative test gases for Group IIC are acetylene and hydrogen. Group IIC is equivalent to a combination of Group A and Group B.

Group IIB: Explosive gas atmosphere containing acetaldehyde, ethylene, or flammable gas, flammable liquid–produced vapor, or combustible liquid–produced vapor mixed with air that may burn or explode, having either maximum experimental safe gap (MESG) values greater than 0.50 mm and less than or equal to 0.90 mm or minimum igniting current ratio (MIC ratio) greater than 0.45 and less than or equal to 0.80. The representative test gas for Group IIB is ethylene. Group IIB is equivalent to Group C.

Group IIA: Explosive gas atmosphere containing acetone, ammonia, ethyl alcohol, gasoline, methane, propane, or flammable gas, flammable liquid–produced vapor, or combustible liquid–produced vapor mixed with air that may burn or explode, having either a maximum experimental safe gap (MESG) value greater than 0.90 mm or minimum igniting current ratio (MIC ratio) greater than 0.80. The representative test gas for Group IIA is propane. Group IIA is equivalent to Group D.

Note: Equipment marked “IIB” is suitable for applications requiring Group IIA equipment. Similarly, equipment marked “IIC” is suitable for applications requiring Group IIA and Group IIB equipment. When the electrical equipment is for use in a particular gas in addition to being suitable for use in a specific gas group, the chemical formula shall follow the group and be separated with the symbol “+”, for example, “IIB + H2”.

Under the Division system, the following are designations indicating the ignition-related properties of Class II explosive dust atmospheres:

Group E: Explosive dust atmosphere containing combustible metal dusts, including aluminum, magnesium, and their commercial alloys, or other combustible dusts whose particle size, abrasiveness, and conductivity present similar hazards in the use of electrical equipment. The representative test dust for Group E is magnesium dust.

Group F: Explosive dust atmosphere containing combustible carbonaceous dusts that have more than 8 percent total entrapped volatiles, or that have been sensitized by other materials so that they present an explosion hazard. Coal, carbon black, charcoal, and coke dusts are examples of carbonaceous dusts. The representative test dust for Group F is coal dust.

Group G: Explosive dust atmosphere containing combustible dusts not included in Group E or Group F, including flour, grain, wood, plastic, and chemicals. The representative test dust for Group G is grain dust.

Note: There are no group designations for Class III explosive atmospheres under the Division system.

Under the Zone system, the following are designations indicating the ignition-related properties of explosive dust atmospheres:

Group IIIC: Explosive dust atmosphere containing combustible metal dust. Group IIIC is equivalent to Group E.

Group IIIB: Explosive dust atmosphere containing other than combustible metal dust. Group IIIB is equivalent to Groups F and G.

Group IIIA: Explosive fibers/flyings atmosphere containing solid particles, including fibers, greater than 500 μm in nominal size, which may be suspended in air and could settle out of the atmosphere under their own weight. Group IIIA is equivalent to Class III.

Under the Division system, the following are the designations indicating the maximum surface temperature of the equipment under operating conditions:

Class I and II Class III

T1 T2 T2A T2B T2C T2D T3 T3A T3B T3C T4 T4A T5 T6

(≤ 450 °C) (≤ 300 °C) (≤ 280 °C) (≤ 260 °C) (≤ 230 °C) (≤ 215 °C) (≤ 200 °C) (≤ 180 °C) (≤ 165 °C) (≤ 160 °C) (≤ 135 °C) (≤ 120 °C)* (≤ 100 °C) (≤ 85 °C)

Limited to 165°C for equipment not subject to overloading

Limited to 120°C for equipment that may be overloaded

Under the Zone system, the following are the designations indicating the maximum surface temperature of the equipment under operating conditions:

Zone 0, 1 and 2 Zone 20, 21 and 22

T1 T2 T3 T4 T5 T6

(≤ 450 °C) (≤ 300 °C) (≤ 200 °C) (≤ 135 °C) (≤ 100 °C) (≤ 85 °C)

Equipment marked to show the operating temperature (maximum surface temperature)

X.3 Applicable Explosion Protection Techniques for Electronic Safety Equipment. Based on the portable, lighter-weight, solid-state, control-level nature of electronic safety equipment designs, the most applicable protection techniques as defined in the NEC are as follows:

Division system protection techniques for explosive gas & dust atmospheres

Intrinsic safety – For use in Class I, Division 1 and 2, Groups A, B, C and D, Class II, Division 1 and 2, Groups E, F and G, and Class III, Division 1 and 2 hazardous (classified) locations. The applicable ANSI standards for this protection technique are: ‒ ANSI/UL 913, Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II, and

III, Division 1, Hazardous (Classified) Locations; or ‒ ANSI/TIA 4950-A, Requirements for Battery-Powered, Portable Land Mobile Radio Applications

in Class I, II, and III, Division 1, Hazardous (Classified) Locations.

Nonincendive equipment – For use in Class I, Division 2, Groups A, B, C and D, Class II, Division 2, Groups F and G, and Class III, Division 1 and 2 hazardous (classified) locations. The applicable ANSI standard for this protection technique is ANSI/ISA 12.12.01, Nonincendive Electrical Equipment for Use in Class I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations.

Zone system protection techniques for explosive gas and dust atmospheres

Intrinsic safety – For use in Class I, Zone 0, 1 and 2, Groups IIC, IIB and IIA and Zone 20, 21 and 22, Groups IIIC, IIIB and IIIA hazardous (classified) locations. The applicable ANSI standards for this protection technique are ‒ ANSI/UL 60079-11, Explosive Atmospheres - Part 11: Equipment Protection by Intrinsic Safety

"i"; and ‒ ANSI/UL 60079-0, Explosive Atmospheres - Part 0: Equipment - General Requirements.

Encapsulation “m” – For use in Class I, Zone 1 and Zone 2, Groups IIC, IIB and IIA and Zone 20, 21 and 22, Groups IIIC, IIIB and IIIA hazardous (classified) locations. The applicable ANSI standards for this protection technique are: ‒ ANSI/UL 60079-18, Explosive Atmospheres - Part 18: Equipment Protection by Encapsulation

"m"; and ‒ ANSI/UL 60079-0, Explosive Atmospheres - Part 0: Equipment - General Requirements.

Zone system protection techniques for explosive gas atmospheres only

Type of protection “n” (Nonincendive equipment) – For use in Class I, Zone 2, Groups IIC, IIB and IIA hazardous (classified) locations only. The applicable ANSI standards for this protection technique are: ‒ ANSI/UL 60079-15, Explosive Atmospheres - Part 15: Equipment Protection by Type of

Protection "n"; and ‒ ANSI/UL 60079-0, Explosive Atmospheres - Part 0: Equipment - General Requirements.

Increased safety “e” – For use in Class I, Zone 1 and Zone 2, Groups IIC, IIB and IIA hazardous (classified) locations only. The applicable ANSI standards for this protection technique are: ‒ ANSI/UL 60079-7, Explosive Atmospheres- Part 7: Equipment Protection by Increased Safety

"e"; and ‒ ANSI/UL 60079-0, Explosive Atmospheres - Part 0: Equipment - General Requirements.

Zone system protection techniques for explosive dust atmospheres only Protection by enclosure “t” – For use in Zone 20, 21 and 22, Groups IIIC, IIIB and IIIA hazardous (classified) locations only. The applicable ANSI standards for this protection technique are: ‒ ANSI/ISA 60079-31, Explosive Atmospheres - Part 31: Equipment Dust Ignition Protection by

Enclosure "t"; and ‒ ANSI/UL 60079-0, Explosive Atmospheres - Part 0: Equipment - General Requirements.

X.4 Determining the Applicable ANSI Explosion Protection Standard. While there may be a common ANSI explosion protection standard referenced for most electronic safety equipment, there is not necessarily only one ANSI explosion protection standard that is always applicable to all electronic safety equipment.

This is because the use of electronic safety equipment in the field by emergency services personnel does not directly relate to any one hazardous (classified) location. For example:

As noted earlier in the Overview, hazardous locations are classified as defined by the NEC based on the likelihood that the type of explosive atmosphere is present when equipment is operating.

Division 1 classification is associated with atmospheres that can exist all of the time or some of the time under normal operating conditions. Division 2 classification is associated with atmospheres that are not likely to exist under normal operating conditions.

For most of the life of a piece of electronic safety equipment, it may reside in an unclassified location (such as in a fire house), but it is not being used in such locations.

When a piece of electronic safety equipment is used in the field, it is often used in unclassified locations, but due to an abnormal condition these unclassified locations either have an explosive atmosphere present or have the potential for an explosive atmosphere being present.

Therefore, for a significant portion of its operation and use in the field, electronic safety equipment may be exposed to explosive atmospheres or have the potential of being exposed to explosive atmospheres.

However, even when exposed to an explosive atmosphere in the field, electronic safety equipment is only exposed for a limited period of time for any one field event.

In addition, electronic safety equipment may be used in the field in actual hazardous (classified) locations.

Use of electronic safety equipment in such unclassified potentially explosive atmospheres has some similar characteristics to electronic equipment used in actual hazardous (classified) locations. However, while there are some similar characteristics, there are also dissimilar characteristics. Therefore, as noted above, a direct comparison to a specific hazardous (classified) location is not possible.

Therefore, since a direct comparison between electronic safety equipment used in unclassified potentially explosive atmospheres and general electronic equipment used in hazardous (classified) locations is not possible, the risk of explosion requirements should reflect the highest level of explosion protection possible in

accordance with the NEC, while not adversely restricting the performance characteristics needed by emergency personnel.

The highest level of explosion protection, under either the Division or Zone systems, that could be applicable to electronic safety equipment is Division 1 or Zone 0 Intrinsic safety. Since the Division system is significantly more broadly used in the US in comparison to the Zone system, it is recommended that the initial consideration of the applicable ANSI explosion protection standard begin with ANSI/UL 913 or ANSI/TIA 4950-A. However, after this initial consideration, additional consideration is necessary regarding whether or not any Division 1 Intrinsic safety requirements will adversely restrict the performance characteristics needed by emergency personnel.

For example, Division 1 Intrinsic safety requirements are more restrictive regarding available power from a battery than Division 2 Nonincendive requirements. Therefore, if such a restriction regarding power from a battery could adversely restrict necessary performance characteristics, then ANSI/ISA-12.12.01 would provide the highest level of explosion protection possible in accordance with the NEC, while not adversely restricting the performance characteristics needed by emergency personnel.

As another example, later editions of ANSI/UL 913 (such as the 8th edition) include restrictions on continuous transmission power, while ANSI/TIA 4950-A and earlier editions of ANSI/UL 913 (such as the 5th edition) do not. Therefore, if such a restriction regarding transmission power could adversely restrict necessary performance characteristics, then ANSI/TIA 4950 or earlier editions of ANSI/UL 913 would provide the highest level of explosion protection possible in accordance with the NEC, while not adversely restricting the performance characteristics needed by emergency personnel.

Electronic safety equipment should be regularly subjected to such a consideration regarding explosion protection requirements versus necessary performance characteristics, with a different determination regarding the applicable ANSI explosion protection standard being reasonably possible based on technological advances in electronic safety equipment.

If the above Annex X is accepted, consideration should be given to adding the following standards to Chapter 2 (or maybe creating a referenced publications section under this Annex):

‒ ANSI/UL 913, Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II, and III, Division 1, Hazardous (Classified) Locations

‒ ANSI/TIA 4950-A, Requirements for Battery-Powered, Portable Land Mobile Radio Applications in Class I, II, and III, Division 1, Hazardous (Classified) Locations

‒ ANSI/UL 60079-0, Explosive Atmospheres - Part 0: Equipment - General Requirements ‒ ANSI/UL 60079-7, Explosive Atmospheres- Part 7: Equipment Protection by Increased Safety "e" ‒ ANSI/UL 60079-11, Explosive Atmospheres - Part 11: Equipment Protection by Intrinsic Safety "i" ‒ ANSI/UL 60079-15, Explosive Atmospheres - Part 15: Equipment Protection by Type of Protection "n" ‒ ANSI/UL 60079-18, Explosive Atmospheres - Part 18: Equipment Protection by Encapsulation "m" ‒ ANSI/ISA 60079-31, Explosive Atmospheres - Part 31: Equipment Dust Ignition Protection by Enclosure

"t"

Also, if the above Annex X is accepted, consideration should be given to adding the following definition to Chapter 3 (or maybe creating a definitions section under this Annex):

‒ Intrinsic safety – Type of protection where any spark or thermal effect is incapable of causing ignition of a mixture of flammable or combustible material in air under prescribed test conditions.

‒ Nonincendive equipment – type of protection where equipment having electrical/electronic circuitry is incapable, under normal operating conditions, of causing ignition of a specified flammable gas–air, vapor–air, or dust–air mixture due to arcing or thermal means.

‒ Encapsulation “m” – Type of protection where electrical parts that could ignite an explosive atmosphere by either sparking or heating are enclosed in a compound in such a way that this explosive atmosphere cannot be ignited.

‒ Increased safety “e” – Type of protection applied to electrical equipment that does not produce arcs or sparks in normal service and under specified abnormal conditions, in which additional measures are

applied so as to give increased security against the possibility of excessive temperatures and of the occurrence of arcs and sparks.

‒ Protection by enclosure “t” – Type of protection for explosive dust atmospheres where electrical apparatus is provided with an enclosure providing dust ingress protection and a means to limit surface temperatures.

July 21-23, 2015 Sacramento, CA AGENDA · EF Johnson EF Johnson Relm Relm Motorola Dräger AGENDA ITEM 9; REVIEW OF NFPA 1802 DRAFT (V. 2/1/15) John Morris started to lead a line-by-line

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