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GROUNDING 101
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WHY DO WE GROUND?
ProtectEquipment fromFault Currents
Protect People
SAFETY
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Electricity will always follow the
path of least resistanceto ground.
Proper circuit grounding will keep electricity from using your
body to get to ground
Grounded Circuit Requirements:
Path is continuous and permanent
Ample capacity
Low Resistance
Circuit parts are bonded together
WHY SHOULD WE GROUND?
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WHAT DO WE GAIN?
Prov ides personnel safety - #1 prior i ty
Prov ides a stable signal reference for
inst rument accu racy
Contro ls Radio Frequency emiss ions &
Electromagnetic Interferences (EMIs)
Prov ides a discharge path for sho rtc i rcu i ts and l ightn ing s tr ikes
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L IGHTNING PROTECTION
L IGHTNING FACTS
Packs between 35,000 and 40,000 amperes
Generates temperatures as h igh as 50,000 C
Travels as far as 40 miles
Str ikes somewhere on the earth every second
K il ls 100 peop le each year in the U.S.A .
Destroy s m i l lions o f dol lars in property and equ ipment
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STATIC DISCHARGE
THE UNWANTED SPARK
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Examp le: TEL-COM CELL SITE
Grounding Locations
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BURNDY HASTHREE TYPES
OF GROUNDING PRODUCTS
COMPRESSION
EXOTHERMIC(weld)
MECHANICAL
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MECHANICAL
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WHAT IS A MECHANICAL CONNECTOR? Makes a secure connect ion u sing bolts or oth er hardware to bind
conductors in p lace.
Range Taking
No special tooling
Inexpensive
Removable
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WHAT ARE THE MOST
COMMON CONNECTORS?
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GB
Cable to barwith separator GBMCable directly to barGZ
Cable to bar loop
BUS BAR / FLAT BARCONNECTOR CATEGORIES
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BUS BAR / FLAT BAR
GCMTwo Cablesdirectly to bar
GLTwo parallelcables / tap
QGFLEye in basket
GCTwo cable to barwith separator
CONNECTOR CATEGORIES
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KCServit postGKA
BUS BAR / FLAT BAR
KPB
CONNECTOR CATEGORIES
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CONNECTOR CATEGORIES
FENCE POST, PIPE & TUBING
GPTwo cablePerpendicular
GKThree cable parallel
GDTwo cable parallel
GARCable to rod
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FENCE POST, PIPE & TUBING
KCServit post
GGCable orbraid to rod
GAR-TCCable at 4590 degrees
CONNECTOR CATEGORIES
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FENCE POST, PIPE & TUBING
GC-ADuel ratedpipe clamps
Lower cost clamps
CONNECTOR CATEGORIES
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GROUND RODS / REBAR
GARGRC GP GK
Three cable parallelTwo cableperpendicular
Ground Rod Clamp
Cable to rod
CONNECTOR CATEGORIES
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STATIC GROUND
GIEVehicle ortemporary ground
GP-G1Raised flooring
GRFRaised flooring
CONNECTOR CATEGORIES
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CABLE & BRAID
Braid
GXCrossconnection
GGCable orbraid to rod
KATap to run
Spans movableareas
CONNECTOR CATEGORIES
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RAIL & BEAMTRANSFORMER
KCServit post
QGFLEye in basket
GA-HCable to Hbeam or tube
J&RGC
CONNECTOR CATEGORIES
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HIGHL IGHTS: SPLIT BOLTS
KS25
AVA ILABLE FROM
#2 TO 500 kcm il
UL Listed fordirect burial
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HIGHLIGHTS: Parts o f a Sp li t Bo lt
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HIGHLIGHTS: Dual Rated Sp li t Bo lts
Used for any combinat ion of cop per and aluminum
conductors .
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JOINING COPPER AND ALUMINUM
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RAISED FOOR GROUNDING
RAISED FLOOR GROUND GRIDS
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GRF CLAMP ON RAISED FLOOR
Can be used on round
or s quare pedestals
Accommodates one or
two grounding wires
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GP-G1 / GP-RT FOR RA ISED FLOOR
Epoxy paint penetrat ing
Can be used on rou nd o r squ are pedestals
Accommod ates one or two ground ing wires
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QUESTION:
WHEN IS A MECHANICALCONNECTOR NOT ACCEPTABLE?
When a permanent connect ion is called out ,
o r
When connect ion is exposed to severecondi t ions such as extreme vibrat ion
ANSWER:
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MECHANICAL
QUESTIONS?
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BURNDYWELD
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USES AN EXOTHERMIC
PROCESS TO JOIN
COPPER
PROVIDES A SOLID
COPPER IRREVERSIBLEBOND
WILL NOT LOOSEN OR
CORRODE AT THE WELD
BURNDYWELD
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EXOTHERMIC PROCESS
The exothermic proc ess is a simple, eff ic ient method o f
weld ing copper to copper or copper to steel .
This process uses a high temperature react ion ofpowdered copper oxide and aluminum .
Reaction takes p lace in a graph ite mold .
Mold w i l l last for 50 or more welds w ith prop er care.
This sys tem is very f ie ld fr iend ly, since i t is l ight and
po rtable and requires no ou tside power.
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MOLD
THE SEQUENCE OF STEPS Open mold using
hand le clamp, and
inser t the conductors
as desired
Insert steel disc into the
mo ld cavi ty
Pour powdered metal
into the mo ld cavi ty
Close the l id
Tap pow der container
to add th e start ing
pow der to igni t ion
Use f l int device to ign i te
Brush and remove mold
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SIX STEPS FORA PERFECT
BURNDYWELD
1. 2.
3. 4.
5.6.
OVER DIFFERENT MOLDS
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OVER 57 DIFFERENT MOLDS
WELD TO REBAR
CABLE TO CABLE
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MOUNT TO FLAT OR ROUND SURFACE
MOLDS
SINGLE SHOTS
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SINGLE SHOTS
PROVIDES THE SAME WELD RESULT IN A COST
EFFECTIVE, ONE TIME USE PACKAGE
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WELD
QUALITY
What do
you lookfor?
WELD QUALITY
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WELD QUALITY
Many factors con tr ibute to the weld su ccess
WELD INSPECTION
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WELD INSPECTION
HOW DO YOU TEST THEINTEGRITY OF A WELD IN
THE FIELD?
COMMON PROBLEMS
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COMMON PROBLEMS
WITH EXOTHERMIC
WELDING
Moisture
Worn molds
Unclean conductors
Unclean mold
Mistakes made in
weld ing process
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ANY
QUESTIONS ON
BURNDYWELD?
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COMPRESSION
COMPRESSION THEORY
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COMPRESSION THEORY
CREATION OF A HOMOGENEOUS MASS
HY GROUND SYSTEM
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HY-GROUND SYSTEM
COMPRESSION
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COMPRESSION
BURNDY HAS DEVELOPED AN IRREVERSIBLE COMPRESSIONGROUND SYSTEM WHICH MEETS THE STRINGENT SAFETY AND
PREFORMANCE REQUIREMENTS UL AND IEEE.
CONNECTORS EMPLOY WELL PROVEN DESIGN PRINCIPLESAND TECHNOLOGY THAT HAVE BEEN IN EXISTENCE FOR OVER60 YEARS.
Range Taking
Permanent
Safe to install
Quick and Easy
COMMON APPLICATIONS
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COMMON APPLICATIONSWhere HY-GROUND is used
GRID LAY OUT
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GRID LAY OUT
COMPONENTS OF HY GROUND
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COMPONENTS OF HY-GROUND
WHATS NEEDEDProper Connecto r
Correct Cr imp ing Tool
Specif ied Die
CONNECTORS
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IRREVERSIBLE CONNECTION
RATED FOR DIRECT BURIAL
MANY COMPONENTS AVAILABLE
CONNECTORS
MEETS REQUIREMENTS
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MEETS REQUIREMENTS
UNDERWRITERS LAB TESTS
NATIONAL ELECTRICAL CODE
IEEE 837 REQUIREMENTS
UL96 LISTED FOR LIGHTNINGPROTECTION
CANADA STANDARDS ASSOCIATION
APPROVED FOR DIRECT BURIAL
UL LISTINGS
http://www.canadiandesignresource.ca/officialgallery/wp-content/uploads/2006/07/CSA_canadian_design1.jpghttp://en.wikipedia.org/wiki/Image:Ieee-emblem.jpghttp://www.ul.com/http://www.nfpa.org/necCategoryList.asp?categoryID=1927/28/2019 Burndy Grounding 101 (1)
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UL L ISTINGS
Rigorous test ing in th e Burndy UL faci li t ies ensures al l
prod uct exceed standards.
SUPERIOR CONNECTION
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SUPERIOR CONNECTION
PRE-FILLED WITH PENETROX OXIDE-INHIB ITOR
Superior connect ion
PENETROX E FILLED
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PENETROX E FILLED
SHOWS VERY FEW CONTACT POINTS
Penetrox Fi lls The Gaps For Better Con tact
AirGaps
EASY TO INSPECT
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EASY TO INSPECT
DIE INDEX EMBOSSMENT.
Match embossed num ber to the num ber
l is ted the on connector .
INSTALLS IN ANY ENVIRONMENT
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INSTALLS IN ANY ENVIRONMENT
Ins tal ls In Wet Env ironments
COMMON TYPES - HY-GROUND
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YGL-CCross connect ion
YGLR-CGround rod to gr id
YGHP-CFigure 6
YGHC-CFigure C
COMMON TYPES HY GROUND
COMMON TYPES - HY-GROUND
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YGHR-CFigure 8
YGHP-CGround rod or tap
Wire third hand YGIBCrimp to structure
H-TapSplice or tap
COMMON TYPES HY GROUND
COMMON TYPES - HY-GROUND
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COMMON TYPES HY GROUND
YGHS HGS
Splice- heavy duty / standard
YGHAHylug
GSTUD-HYVersitai l weld o n
YGF
Grounding plate
FINDING THE PROPER CONNECTOR
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YGHC-C
FINDING THE PROPER CONNECTOR
FINDING THE PROPER CONNECTOR
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FINDING THE PROPER CONNECTOR
HY-GROUND CRIMPING TOOLS
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HY GROUND CRIMPING TOOLS
Y46 HY-PRESS
REMOTE HEAD
Y750HS
PAT750XP 18V
PATRIOT 18VOLT
FINDING THE PROPER DIE
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FINDING THE PROPER DIE
Installation Data Listed in Catalog
INSTALLATION DATA
DIE
INDEX
NUMBER
Y750/Y35
Y39HYPRESS
1
Y45
HYPRESS
2
Y46
HYPRESS
NUMBER
OF
CRIMPS
C U-C U-C U-C 1
O U-O U-O U-O 1
ANY
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ANY
QUESTIONS ON
COMPRESSION?
THE
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WHERE DO YOU USE THETHREE TYPES OF GROUNDING
PRODUCTS?
COMPRESSION
EXOTHERMIC(weld)
MECHANICAL
CONNECTION APPLICATIONS
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TEL-COM TOWER
CONNECTION APPLICATIONS
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CENTRAL OFFICE SITE
DIFFERENT WIRE TYPES
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ALWAYS KNOW THE SIZE AND TYPE OF WIRE YOU ARE
CRIMPING
WIRE GAGE
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KEEP A WIRE MIKE HANDY FOR WIRE IDENTIFICATION
AVOID CORROSION
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AVOID CORROSION
USE PENETROX-EOXIDE INHIBITORON COPPER
CONNECTIONS
THANKS FOR CONSIDERING BURNDY PRODUCTS
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THANKS FOR CONSIDERING BURNDY PRODUCTS
PLEASE CONTACT US IF YOU HAVE ANY QUESTIONSOR PRODUCT NEEDS.
TECHNICAL SERVICE (800) 451-4956
NEVER LET LIFE BE A SHOCK TO YOU!