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1 Exam Prep – NFPA 70: National Electrical Code, 2014 1
1 Exam Prep
NFPA 70: National Electric Code 2014
Tabs and Highlights
These 1 Exam Prep Tabs are based on NFPA 70: National Electrical Code, 2014.
Each Tabs sheet has five rows of tabs. Start with the first tab at the first row at the top of the page, and proceed
down that row placing the tabs at the locations listed below. Place each tab in your book setting it down one
notch until you get to the bottom of the page, and then start back at the top again. After you have completed
tabbing your book (the last tab is usually the glossary, appendix, or index), then you may start highlighting your
book.
Special note to our Students: If you are a 1 Exam Prep student, here is how to really get the most from these 1
Exam Prep Tabs. Follow the above instructions, but before placing the tab, find the tab's topic in the outline of
your appropriate module. Now locate and highlight several items listed in the outline just before and just after
the topic. See how the topic fits in the outline and how it relates as a concept to the broader concept spelled out
in the outline. If you take a few minutes to do this, when you take the test, key words in the test questions will
remind you of where the information is in the manual!
1 Exam Prep Tab Section
Contents
Definitions 100
Electrical Installation 110
Grounded Conductors 200
Branch Circuits 210
Branch Circuit Calculations 220
Outside Branch Circuits 225
Services 230
Overcurrent Protection 240
Grounding and Bonding 250
Ground Electrode Conductor 250 III
Bonding 250 V
Equipment Ground Conductors 250 VI
Surge Arresters 280
Wiring Methods & Materials 300
Conductors for Gen. Wiring 310
Box Fill 314
1 Exam Prep – NFPA 70: National Electrical Code, 2014 2
1 Exam Prep Tab Section
NM Cable 334
Service Entrance Cable 338
Rigid Metal Conduit 344
Flexible Metal Conduit 348
Rigid PVC Conduit 352
Electric Metallic Tubing 358
Metal Wireways 376
Cable Trays 392
Flexible Cords /Cables 400
Switches 404
Receptacles & Cord Connectors 406
Switch/Panelboards 408
Luminaires 410
Appliances 422
Electric Space Heating 424
Motors 430
Motor Tables 430 XIV
Air Conditioning & Refrig. Equip. 440
Transformers 450
Equip. Over 1000 Volts 490
Hazardous Locations 500
Class I Locations 501
Motor Fuel Dispensers 514
Health Care Facilities 517
Mobile Homes 550
Temporary Installations 590
Electric Signs & 600
Outline Lighting
Elevators 620
Information Technology 645
Equip.
Pools/Spa 680
Emergency Systems 700
1 Exam Prep – NFPA 70: National Electrical Code, 2014 3
1 Exam Prep Tab Section
Signal Circuits 725
Fire Alarm Systems 760
Communication Circuits 800
Radio/TV Equip. 810
Antenna TV/Radio Systems 820
Ch. 9 Tables
Annex A-Product Safety
Annex C-Conduit & Tubing
Annex D-Examples
Index
This concludes the tabs for this book. Please continue with the highlights on the following page.
1 Exam Prep – NFPA 70: National Electrical Code, 2014 4
Section Highlight
90 Introduction
90.1 Purpose
(A) Practical Safeguarding
(C) Intention
90.2 Scope
(A) Covered. This Code covers the installation of … for the following. (1) – (4).
(B) Not Covered. This code does not cover the following: (1) – (5).
90.4 Enforcement
90.5 Mandatory Rules, Permissive Rules, and Explanatory Material
(A) Mandatory Rules. Use of the terms shall or shall not.
90.7 Examination of Equipment for Safety
I. General
- Accessible
- Ampacity
- Arc-fault circuit interrupter
- Attachment plug
- Bonded
- Branch-circuit
- Branch-circuit, multi-wire
- Conduit body
- Connector, pressure
- Continuous load
- Controller
- Device
- Demand factor
- Exposed
- Feeder
- Festoon lighting
- Ground fault
- Ground-fault service interrupter
- Grounding conductor, equipment
- Grounding electrode
- Hoistway
1 Exam Prep – NFPA 70: National Electrical Code, 2014 5
Section Highlight
- Identified
- In sight from
- Location, dry
- Luminaire
- Metal-enclosed power switchgear
- Neutral conductor
- Neutral point
- Nonlinear load
- Overcurrent protective device, branch-circuit
- Raceway
- Receptacle
- Service conductors
- Surge arrester
- Surge-protective device
- Switch, general use
- Weatherproof
II. Over 600 Volts
- Switching device
I. General
110.5 Conductors
110.12 Mechanical Execution of Work
(A) Unused openings
110.13 Mounting and Cooling of Equipment
(A) Mounting
110.14 Electrical Connections: Conductors of dissimilar metals shall not be intermixed in terminal …
unless the device is identified for the purpose and conditions of use.
(A) Terminals
(B) Splices
110.15 High-Leg Marking
110.22 Identification of Disconnecting Means
II. Volts, Nominal, or Less
1 Exam Prep – NFPA 70: National Electrical Code, 2014 6
Section Highlight
110.26 Spaces About Electrical Equipment
(A) Working Space
(1) Depth of Working Space
Table 110.26(A)(1): Working Spaces
III. Over 600 Volts, Nominal
110.31 Enclosure for Electrical Installations
110.34 Work Space and Guarding
(A) Working Space
110.36 Circuit Conductors
110.54 Bonding and Equipment Grounding Conductors
(A) Grounded and Bonding
(B) Equipment Grounding Conductors
200.6 Means of Identifying Grounded Conductors
(A) Sizes AWG or Smaller
(B) Sizes 4 AWG or Larger
(D) Grounded Conductors of Different Systems
200.7 Use of Installation of a White or Gray Color or with Three Continuous White Strips
(B) Circuits Less Than 50 Volts
(C) Circuits of 50 Volts or More
(2) Flexible cord having one conductor … by a circuit that has a grounded conductor.
200.10 Identification of Terminals
(A) Device Terminals
(B) Receptacles, Plugs and Connectors
(1) Identification shall be by a metal … letter W located adjacent to the identified terminal.
200.11 Polarity of Connections: No grounded conductor shall be attached to any terminal or lead so as
to reverse the designated polarity.
I. General Provisions
1 Exam Prep – NFPA 70: National Electrical Code, 2014 7
Section Highlight
210.3 Rating
210.4 Multiwire Branch Circuits
(A) General
(B) Disconnecting Means
210.5 Identification for Branch Circuits
(B) Equipment Grounding Conductor
(C) Identification of Underground Conductors
210.6 Branch Circuit Voltage Limitations
210.8 GFCI Protection for Personnel
(A) Dwelling Units.
(B) Other than Dwelling Units
210.12 AFCI Protection
(A) Dwelling Units.
(B) Other than Dwelling Units
II. Branch Circuit ratings
210.19 Conductors – Minimum Ampacity and Size
(A) Branch Circuits Not More Than 600 Volts
(1) General. Branch circuit conductors shall have … load plus 125 percent of the continuous
load.
(3) Household ranges and Cooking Appliances
(B) Branch Circuits Over 600 Volts
210.20 Overcurrent Protection
(A) Continuous and Non-Continuous Load
210.21 Outlet Devices
(A) Lampholders
(B) Receptacles
(1) Single Receptacle on an Individual Branch Circuit
(2) Total Cord and Plug Connected Load
(3) Receptacle ratings
1 Exam Prep – NFPA 70: National Electrical Code, 2014 8
Section Highlight
210.23 Permissible Loads
(A) 15- and 20-Ampere Branch Circuits
III. Required Outlets
210.50 General
(C) Appliance Receptacle Outlets
210.52 Dwelling Unit Receptacle Outlets. 1-4
(A) General Provisions
(1) Spacing
(2) Wall Space
(3) Floor Receptacles
(B) Small Appliances
(1) Receptacle Outlets Served
(2) No Other Outlets
(3) Kitchen Receptacle Requirements
(C) Countertops
(1) Wall Countertop Spaces
(E) Outdoor Outlets
(F) Laundry Area
(G) Basements, Garages, and Accessory Buildings
(H) Hallways
210.62 Show Windows
210.63 Heating, Air Conditioning, and Refrigeration Equipment Outlet
210.70 Lighting Outlets Required
(A) Dwelling Unit
(3) Storage or Equipment Spaces
215 Feeders
1 Exam Prep – NFPA 70: National Electrical Code, 2014 9
Section Highlight
215.2 Minimum Rating and Size
(A) Feeders Not More Than 600 Volts
(1) General
(2) Grounded Conductor
II. Branch Circuit Load Calculations
220.10 General
220.12 Lighting Load for Specified Occupancies
220.14 Other Loads – All Occupancies
(H) Fixed Multi-Outlet Assemblies
(I) Receptacle Outlets
220.42 General Lighting
220.43 Show Window and Track Lighting
(A) Show Windows
(B) Track Lighting
220.52 Small-Appliance and Laundry Loads
(A) Small appliance Circuit Load
220.54 Electric Clothes Drier
Table 220.54: Demand Factors for Household Electric Clothes Dryer
Table 220.55: Demand Factors and Loads
- Note 2
- Note 3
Table 220.56: Demand Factors for Kitchen Equipment
1 Exam Prep – NFPA 70: National Electrical Code, 2014 10
Section Highlight
220.84 Multifamily Dwelling
(C) Calculated Loads. The calculated load to which the
demand factors of Table 220.84 apply shall include the
following:
(3) The Name plate rating of the following: a – d
Table 220.84: Optional Calculations
220.88 New Restaurants
Table 220.88: Optional Method
225.6 Conductor Size and Support
(A) Overhead spans
(1) For 600 volts, nominal … longer span unless supported
by a messenger wire.
225.7 Lighting Equipment Installed Indoors
(B) Common Neutral
225.18 Clearance for Overhead Conductors and Cables
225.51 Isolating Switches
230.2 Number of Services
(B) Special Occupancies
230.6 Conductors Considered Outside the Building
230.24 Clearances
(A) Above Roofs
(B) Vertical Clearance for Overhead Service
(1) 10 ft at the electrical service entrance … does not
exceed 150 volts to ground.
(2) 12 ft … does not exceed 300 volts to ground.
(4) 18 ft … such as cultivated, grazing, forest, and orchard.
230.46 Spliced Conductors
1 Exam Prep – NFPA 70: National Electrical Code, 2014 11
Section Highlight
230.50 Protection Against Physical Damage
(A) Underground Service-Entrance Conductors
230.51 Mounting Supports
230.53 Raceways to Drain
230.71 Maximum Number of Disconnects
(A) General
230.72 Grouping of Disconnects
(A) General
230.75 Disconnection of Grounded Conductor
230.82 Equipment Connected to the Supply Side of Service Disconnect
(5) Taps used only to supply … requirements for service-entrance conductors.
230.91 Location
230.95 Ground-fault Protection of Equipment
230.202 Service-Entrance Conductor
(A) Conductor Size
240.5 Protection of Flexible Cords
(A) Ampacities
(B) Branch Circuit Overcurrent Device
(2) Fixture Wire
(4) Field Assembled Extension Cord Sets
240.6 Standard Ampere Ratings
(A) Fuses and Fixed tripped Circuit Breakers
1 Exam Prep – NFPA 70: National Electrical Code, 2014 12
Section Highlight
240.8 Fuses or Circuit Breakers in Parallel
240.21 Location of a Circuit
(B) Feeder Taps
(2) Taps Not Over 25 ft Long
(3) Taps Supplying a Transformer
240.24 Location in or on Premises
(A) Accessibility
(D) Not in Vicinity of Easily Ignitable Material
240.51 Edison Base Fuses
(A) Classification
(B) Replacement Only
240.83 Marking
(C) Interrupting Rating
(D) Used as Switches
240.100 Feeders and Branch Circuits
250.20 Alternating Current to Be Grounded
(A) Alternating-Current Systems of less than 50 Volts
(B) Alternating Current Systems of 50 Volts to 1000 Volts
250.21 Alternating-Current Systems of 50 Volts to Less than 1000 Volts Not to Be Grounded
250.22 Circuits Not to Be Grounded
250.24 Grounding Service-Supplied Alternating-Current
Systems
(A) System Grounding Connections
1 Exam Prep – NFPA 70: National Electrical Code, 2014 13
Section Highlight
250.28 Main Bonding Jumper and System Bonding Jumper
(D) Size
III. Grounding Electrode System and Grounding Electrode Conductor
250.50 Grounding Electrode System
250.52 Grounding Electrodes
(A) Electrodes Permitted for Grounding
(1) Metal Underground water Pipe.
(2) Metal Frame of the Building or Structure
(3) Concrete-Encased Electrode
(5) Ground Ring
(B) Not Permitted for Use as Grounding Electrodes
250.53 Grounding Electrode System Installation
(B) Electrode Spacing
250.58 Common Grounding Electrode
250.64 Grounding Electrode Conductor Installation
(A) Aluminum or Copper-Clad Aluminum Conductors
(B) Securing and protecting from Physical Damage
250.66 Size of Alternating-Current Grounding Electrode
Conductor
(1) General. The grounding electrode conductor connection … connected at the service
disconnecting means.
Table 250.66: Grounding Electrode Conductor
250.70 Methods of Grounding and Bonding Conductor Connection to Electrodes
250.86 Other Conductor Enclosures and Raceways
1 Exam Prep – NFPA 70: National Electrical Code, 2014 14
Section Highlight
250.92 Services
(A) Bonding of Equipment for Services
250.94 Bonding for Other Systems
(1) Be accessible for connection and inspection
250.96 Bonding for Other Systems
(A) General
250.102 Bonding Conductors and Jumpers
250.104 Bonding of Piping Systems and Exposed Structural Steel
250.114 Equipment Connected by Cord and Plug
(B) In residential occupancies:
250.118 Types of Equipment Grounding Conductors
250.119 Identification of Equipment Grounding Conductors
250.120 Equipment Grounding Conductor Installation
(A) Raceway, cable Trays, Cable Armor, Cablebus, or Cable Sheaths
(C) Equipment Grounding Conductors Smaller than 6 AWG
250.122 Equipment Grounding Conductors
250.124 Equipment Grounding Conductor Continuity
250.126 Identification of Wiring Device Terminals
(3) A green pressure wire connector … area adjacent to the terminal shall be similarly marked
Table 250.122: Minimum Size equipment Grounding Conductors
1 Exam Prep – NFPA 70: National Electrical Code, 2014 15
Section Highlight
250.136 Equipment Considered Grounded
(A) Equipment Secured to Grounded Metal Supports
250.138 Cord-and-Plug Connected Equipment
(A) By Means of an Equipment Grounding Conductor
250.140 Frames and Ranges and Clothes Dryers
(2) The grounded conductor … 8 AWG aluminum.
250.148 Continuity and Attachment of Equipment Grounding Conductors to Boxes
250.166 Size of Direct Current Grounding Electrode Conductor
(A) Not smaller than neutral conductor
250.174 Cases of Instruments… Less Than 1000 Volts
280.2 Uses Not Permitted
280.3 Number required
280.4 Surge Arrester Selection
(A) Rating
(1) Solidly Grounded System
III. Connecting Surge Arresters
280.21 Connection
300.3 Conductors
(B) Conductors of the Same Circuit
(1) Parallel Installations
1 Exam Prep – NFPA 70: National Electrical Code, 2014 16
Section Highlight
300.4 Protection Against Physical Damage
(A) Cables and Raceways Through Wood Members
(1) Bored Holes
(2) Notches in Wood
(B) Nonmetallic-Sheathed cables and Electrical Nonmetallic Tubing Through Metal Framing
Members
(2) Nonmetallic-Sheathed Cable and electrical Nonmetallic Tubing
(F) Cables and Raceways Installed in Shallow Grooves
330.5 Underground Installations
Table 300.5: Minimum Cover Requirements
(D) Protection from Damage
(1) Emerging from Grade
(H) Bushing
300.6 Protection Against Corrosion and Deterioration
(A) Ferrous Metal Equipment
300.11 Securing and Supporting
(A) Secured in Place
(B) Raceways Used as Means of Support
300.13 Mechanical and Electrical Continuity
(B) Device Removal
300.14 Length of Free Conductors at Outlets
300.15 Boxes, Conduit Bodies, or Fittings
300.16 Raceway or cable to open or Concealed Wiring
(A) Box, Conduit Body, or Fitting
(B) Bushing
1 Exam Prep – NFPA 70: National Electrical Code, 2014 17
Section Highlight
300.19 Supporting Conductors in Vertical Raceways
(A) Spacing Intervals – Maximum
300.20 Induced Currents in Ferrous Metal Enclosures or Ferrous Metal Raceways
(A) Conductors Grouped Together
(B) Individual Conductors
300.21 Spread of Fire or products of Combustion
300.22 Wiring in Ducts Not Used for Air Handling
(B) Ducts Specifically Fabricated for Environmental Air
(C) Other Spaces Used for Environmental Air
310.15 Ampacities for Conductors Rated 0-2000 Volts
Table 310.15(B)(2)(a): Ambient Temperature Correction
Table 310.15(B)(16): Ampacity Table
Table 310.15(B)(17): Allowable Ampacities of Single-
Insulated Conductors
312 Cabinets, Cutout Boxes, and Meter Socket Enclosures
312.2 Damp and Wet Locations
312.6 Deflection of Conductors
(B) Wire-Bending Space at Terminals
(2) Conductors Entering or Leaving Opposite Wall
Table 312.6(A): Minimum Wire-Bending Space at Terminals and Minimum Width
Table 312.6(B): Minimum Wire Bending Space at Terminals
314 Outlet, Device, Pull, and Junction Boxes
314.2 Round Boxes
1 Exam Prep – NFPA 70: National Electrical Code, 2014 18
Section Highlight
314.3 Nonmetallic Boxes
- Exception No. 2
314.16 Number of Conductors in Outlet, Device, and Junction Boxes, and Conduit Bodies
(A) Box Volume Calculations
(B) Box Fill Calculations
Table 314.16(A): Metal Boxes
Table 314.16(B): Volume Allowance Required Per
Conductor
314.20 In Wall or Ceiling
314.21 Repairing Noncombustible Surfaces
314.23 Supports
(D) Suspended Ceilings
(1) Framing Members
314.27 Outlet Boxes
(B) Floor Boxes
314.28 Pull and Junction Boxes and Conduit Bodies
(A) Minimum Size
(1) Straight Pulls
320.30 Securing and Supporting
(B) Securing
322 Flat Cable Assemblies: Type FC
II. Installation
322.10 Uses Permitted
(1) As branch circuits … shall not exceed 30 amperes.
1 Exam Prep – NFPA 70: National Electrical Code, 2014 19
Section Highlight
Marking
(A) Temperature Rating
324 Flat Conductor Cable
324.1 Scope
II. Installation
324.2 Definitions
- Bottom Shield
324.12 Uses Not permitted
III. Construction
324.100 Construction
(A) Type FCC Cable
326 Integrated Gas Spacer Cable: Type IGS
326.24 Bending radius
326.112 Insulation
330.2 Metal Clad Cable, Type MC
330.24 Bending Radius
(A) Smooth Sheath
(2) Twelve times the external diameter … 1.5 in. in external diameter.
334.2 Type NM
1 Exam Prep – NFPA 70: National Electrical Code, 2014 20
Section Highlight
334.15 Exposed Work
(A) To Follow Surface
(B) Protection from Physical Damage
(C) In Unfinished basements and Crawl Spaces
334.23 In Accessible Attics
334.24 Bending Radius
334.30 Securing and Supporting
334.80 Ampacity
334.104 Conductors
334.112 Insulation
336 Power and Control Tray Table: Type TC
I. Installation
336.2 Power and Control Tray Cable, Type TC
III. Construction Specifications
336.104 Conductors
342 Intermediate Metal Conduit: Type IMC
342.30 Securing and Supporting
(A) Securely Fastened
344.2 Rigid Metal Conduit Size
(A) Minimum
1 Exam Prep – NFPA 70: National Electrical Code, 2014 21
Section Highlight
344.30 Securing and Supporting
Table 344.30(B)(2): Supports for Rigid Metal Conduit
348.2 Flexible Metal Conduit (FMC)
348.12 Uses Not permitted
Table 348.22: Maximum Number of Insulated Conductors
350 Liquidtight Flexible Metal Conduit (LFMC)
350.30 Securing and Supporting
(A) Securely Fastened
352.26 Bends – Number in One Run
352.30 Securing and Supporting
(A) Securely Fastened
(B) Supports
Table 352.30: Support of Rigid PVC Conduit
352.44 Expansion Fittings
356 Liquidtight Flexible Nonmetallic Conduit
356.12 Uses Not permitted
(3) In lengths longer than 6 ft … a required degree of
flexibility
358.10 Uses Permitted
1 Exam Prep – NFPA 70: National Electrical Code, 2014 22
Section Highlight
358.12 Uses Not permitted
(6) Where practicable … the largest trade size of the tubing
358.20 Size
(A)Minimum
(B) Maximum
358.26 Bends – Number One in Run
358.28 Reaming and Threading
(B) Threading
358.30 Securing and Supporting
(A) Securely Fastening
362 Electrical Nonmetallic Tubing: Type ENT
362.12 Uses Not Permitted
(5) Where the voltage is over 600 volts
366 Auxiliary Gutters
366.6 Listing Requirements
366.22 Number of Conductors
(A) Sheet Metal Auxiliary Gutters
366.30 Securing and Supporting
(A) Sheet metal Auxiliary Gutters
370 Cablebus
1 Exam Prep – NFPA 70: National Electrical Code, 2014 23
Section Highlight
370.4 Conductors
(C) Size and Number of Conductors
372 Cellular Concrete Floor Raceways
372.6 Support and Extension Through Walls and Floors
374 Cellular Metal Floor Raceways
374.4 Size of Conductors
376 Metal Wireways
376.10 Uses Permitted
(1) For exposed work
376.22 Number of Conductors and Ampacity
376.56 Splices, Taps, and Power Distribution Blocks
(A) Splices and Taps
378 Nonmetallic Wireways
378.30 Securing and Supporting
(A) Horizontal Support
386 Surface Metal Raceways
386.56 Splices and Taps
390 Underfloor Raceways
1 Exam Prep – NFPA 70: National Electrical Code, 2014 24
Section Highlight
390.3 Use
(B) Not Permitted
390.6 Maximum Number of Conductors in a Raceway
392.10 Uses Permitted
(A) Wiring Methods
394 Concealed Knob-and-Tube Wiring
394.30 Securing and Supporting
(A) Support
396 Messenger-Supported Wiring
396.2 Messenger-Supported Wiring
398 Open Wiring on Insulators
398.10 Uses Permitted
400.4 Types
400.5 Ampacities For Flexible Cords and Cables
(A) Ampacity Tables
400.7 Uses Permitted
(A) Uses
400.8 Uses Not Permitted
400.31 Construction
(A) Conductors
1 Exam Prep – NFPA 70: National Electrical Code, 2014 25
Section Highlight
402 Fixture Wires
402.2 Other Articles
402.5 Allowable Ampacities for Fixture Wires
Table 402.5: Allowable Ampacity for Fixture Wires
404.2 Switch Connections
(A) Three-way and Four-Way Switches
404.8 Accessibility and Grouping
(A) Location
404.14 Rating and Use of Snap Switches
(B) Alternating-Current or Direct-Current General Use
Snap Switch
(C) CO/ALR Snap Switches
404.15 Marking
(A) Ratings
406.3 Receptacle Rating and Type
(B) Rating
(D) Isolated Ground Receptacles
406.9 Receptacles in Damp or Wet Locations
(B) Wet Locations
408.18 Clearances
(A) From Ceiling
1 Exam Prep – NFPA 70: National Electrical Code, 2014 26
Section Highlight
410.54 Pendant Conductors for Incandescent Filament Lamps
(A) Support
422.10 Branch-Circuit Rating
(A) Individual Circuits
422.12 Central Heating Equipment
422.14 Infrared Lamp Industrial Heating Appliances
422.16 Flexible Cords
(B) Specific Appliances
(1) Electrically Operated Kitchen Waste Disposers
(2) The length of the cord … not over 36 in.
424.3 Branch Circuits
(B) Branch-Circuit Sizing
424.34 Heating Cable Construction
424.35 Marking of Heating Cables
424.36 Clearances of Wiring in Ceilings
430.6 Ampacity and Motor Rating
(A) General Motor Applications
(B) Torque Motors
430.09 Terminals
430.10 Wiring Space Enclosures
430.13 Bushing
1 Exam Prep – NFPA 70: National Electrical Code, 2014 27
Section Highlight
430.22 Single Motor
(A) Direct-Current Motor Rectifier Supplied
430.24 Several Motors or a Motor and Other Loads
430.32 Continuous-Duty Motors
430.52 Rating or Setting for Individual Motor Circuit
430.53 Several Motors or Loads on One-Branch Circuit
(A) Not Over 1 HP
430.82 Controller Design
(A) Starting and stopping
430.83 Ratings
(A) General
(2) Circuit Breaker
(C) Stationary Motors of 2 HP or Less
Table 430.248: Full-Load Currents in Amperes
Table 430.250: Fill-Load Current, Three Phase
440 Air-Conditioning and Refrigerating Equipment
440.12 Rating and Interrupting Capacity
(A) Hermetic Refrigerant Motor-Compressor
(1) Ampere Rating
440.22 Application and Selection
(A) Rating or Setting for Individual Motor Compressor
1 Exam Prep – NFPA 70: National Electrical Code, 2014 28
Section Highlight
440.63 Disconnecting Means
440.64 Supply Cords
445 Generators
445.13 Amapacity of Conductors
445.14 Protection of Live Parts
450.3 Overcurrent protection
450.11 Marking
450.21 Dry-Type Transformers Installed Doors
(A) Not Over 112 ½ kVA
(B) Over 112 ½ kVA
450.47 Water Pipes and Accessories
455 Phase Converters
455.7 Overcurrent protection
460 Capacitors
460.6 Discharge of Stored Energy
(A) Time of Discharge
(B) Means of Discharge
460.8 Conductors
1 Exam Prep – NFPA 70: National Electrical Code, 2014 29
Section Highlight
460.24 Switching
(A) Load Current
500.5 Classification of Locations
(B) Class I Locations
(1) Class I, Division 1
(C) Class II Locations
(2) Class II, Division II
(D) Class III Locations
500.6 Material Groups
(B) Class II Group Classifications
500.7 Protection Techniques
500.8 Equipment
501.5 Zone Equipment
501.10 Wiring Methods
(A) Class A, Division 1
(1) General
(B) Class I, Division 2
(1) General
501.15 Sealing and Drainage
(A) Conduit seals, Class I, Division 1
(B) Conduit Seals, Class I, Division 2
(C) Class I, Division 1 and 2
502 Class II Locations
502.15 Sealing, Class II, Division 1 and 2
1 Exam Prep – NFPA 70: National Electrical Code, 2014 30
Section Highlight
502.100 Transformers and Capacitors
503 Class III Locations
503.30 Grounding and Bonding – Class III, Divisions 1 and 2
511 Commercial Garages Repair and Storage
511.3 Area Classification, General
511.12 Ground-Fault Circuit Interrupter Protection for Personnel
514.3 Classification and Location
514.8 Underground Wiring
Exception 2
514.11 Circuit Disconnects
517.13 Grounding of Receptacles and Fixed Electrical Equipment in Patient Care Areas
(B) Insulated Grounding Conductor
517.18 General Care Areas
(A) Patient Bed Locations
(B) Patient Bed Location Receptacles
517.31 Emergency Systems
550 Mobile Homes
550.10 Power Supply
1 Exam Prep – NFPA 70: National Electrical Code, 2014 31
Section Highlight
550.18 Calculations
(A) Lighting, Small-Appliance, and Laundry Load
(1) Lighting Volt-Amperes
550.31 Allowable Demand Factors
551 Recreational Vehicles and Recreational Vehicle Parks
551.71 Type Receptacles Provided
555 Marinas and Boatyards
555.15 Grounding
555.19 Receptacles
(4) Ratings
(a) Receptacles rated 30 amperes and 50 amperes shall be
of the locking and grounding type.
590.3 Time Constraints
(B) 90 days
590.4 General
(D) Receptacles
600 Electric Signs and Outline Lighting
600.5 Branch Circuits
600.6 Disconnects
600.21 Ballasts, Transformers, and Electronic Power Supplies
1 Exam Prep – NFPA 70: National Electrical Code, 2014 32
Section Highlight
645 Information Technology Equipment
645.5 Supply Circuits and Interconnecting Cables
(A) Branch-Circuit Conductors
(D) Physical Protection
645.10 Disconnecting Means
645.15 Grounding
680.2 Definitions
-Wet Niche Luminaire
680.6 Grounding. 1-7
Table 680.8: Overhead Conductor Clearances
680.21 Motors
(A) Wiring Methods
(5) Cord and Plug Connections
680.22 Lighting, Receptacles and Equipment
680.23 Underwater Luminaries
680.24 Junction Boxes and Electrical Enclosures
(A) Junction Boxes
680.26 Equipotential Bonding
(B) Bonded Parts
686 IV. Spas and Hot Tubs
680.40 General
680.42 Outdoor Installations
1 Exam Prep – NFPA 70: National Electrical Code, 2014 33
Section Highlight
680.43 Indoor Installations
700 Emergency Systems
720 Circuits and Equipment Operating at Less than 50 Volts
720.5 Lampholders. Standard lampholders that have a rating of not less than 660 watts shall be used.
720.6 Receptacle rating. Receptacles shall have a rating of not
less than 15 amperes.
725.1 Scope
725.2 Definitions
- Abandoned Class 2, Class 3, and PLTC Cable
- Circuit Integrity Cable
- Class 1 Circuit
- Class 2 Circuit
- Class 3 Circuit
II. Class I Circuits
725.41 Class 1 Circuit Classifications and Power Source Requirements
(A) Class 1 Power-Limited Circuits. These circuits shall be supplied from a source that has a
rated output of not more than 320 volts and 1000 volt-amperes.
(1) Class 1 Transformers. Power sources other than transformers shall be protected by
overcurrent devices rated at not more than 167 percent of the volt-ampere rating of the source
divided by the rated voltage.
(2) Other Class 1 Power Sources
(B) Class Remote-Control and Signaling Circuits. These circuits shall not exceed 600 volts.
725.43 Class 1 Circuit Overcurrent Protection
725.45 Class 1 Circuit Overcurrent Device Location
(C) Branch-Circuit Taps
725.49 Class 1 Circuit Conductors
(A) Sizes and Use. Conductors of sizes 18 AWG and 16 AWG shall be permitted
770 Optical Fiber Cables and Raceways
1 Exam Prep – NFPA 70: National Electrical Code, 2014 34
Section Highlight
770.1 Scope
800.1 Scope
800.44 Overhead Communication Wires and Cables
800.47 Underground Communication Wires and Cables
880.50 Circuits Requiring Primary Protectors
(A) Insulation, Wires, and Cables
(B) On Buildings
800.53 Lighting Conductors
800.90 Protection Devices
800.93 Grounding or Interruption of Metallic Sheath Members of Communication Cables
800.100 Cable and Primary Protector Bonding and Grounding
(A) Bonding Conductor or Grounding Electrode Conductor
(3) Size
800.133 Installation of Communications Wires, Cables, and Equipment
(A) Separation from Other Conductors
Table 800.154(a): Applications of Listed Communications Wires, Cables, and Raceways in
Buildings
800.179 Communications Wires and Cables
(A) Type CMP
(E) Type CMX
810.13 Avoidance of Contacts with Conductors of Other Systems
1 Exam Prep – NFPA 70: National Electrical Code, 2014 35
Section Highlight
810.16 Size of Wire-Strung Antenna – Receiving Station
(B) Self-Supporting Antennas
810.18 Clearances – Receiving Stations
(A) Outside Buildings
810.21 Bonding Conductors and Grounding Electrode Conductors – Receiving Stations
(H) Size
(J) Bonding
820.100 Cable, Bonding, and Grounding
820.133 Installation of Coaxial Cables and Equipment
(A) Separation from Other Conductors
Ch. 9 - Table 4: Dimensions and percent Area of Conduit and Tubing
Ch. 9 - Table 8: Conductor Properties
Annex C - Table: C.1: Maximum Number of Conductors or Fixture Wires in EMT
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