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GROUNDINGGROUNDING 101 101
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GROUNDING 101
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Grounding 101 – Summer 2007 - TS 3
WHY DO WE GROUND?WHY DO WE GROUND?
Protect Equipment from Fault Currents
Protect People
SAFETY
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Grounding 101 – Summer 2007 - TS 4
Electricity will always follow theElectricity will always follow the path of least resistancepath of least resistance to groundto ground..
Proper circuit grounding will keep electricity from using your Proper circuit grounding will keep electricity from using your body to get to groundbody to get to ground
Grounded Circuit Requirements:Grounded Circuit Requirements:• Path is continuous and permanentPath is continuous and permanent• Ample capacityAmple capacity• Low ResistanceLow Resistance• Circuit parts are bonded togetherCircuit parts are bonded together
WHY SHOULD WE GROUND?WHY SHOULD WE GROUND?
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Grounding 101 – Summer 2007 - TS 5
WHAT DO WE GAIN?WHAT DO WE GAIN?
Provides personnel safety - #1 priorityProvides personnel safety - #1 priority
Provides a stable signal reference for Provides a stable signal reference for instrument accuracyinstrument accuracy
Controls Radio Frequency emissions & Controls Radio Frequency emissions & Electromagnetic Interferences (EMI’s)Electromagnetic Interferences (EMI’s)
Provides a discharge path for short Provides a discharge path for short circuits and lightning strikescircuits and lightning strikes
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Grounding 101 – Summer 2007 - TS 6
LIGHTNING PROTECTIONLIGHTNING PROTECTION
LIGHTNING FACTSLIGHTNING FACTS
Packs between 35,000 and 40,000 amperesPacks between 35,000 and 40,000 amperes
Generates temperatures as high as 50,000 CGenerates temperatures as high as 50,000 C
Travels as far as 40 milesTravels as far as 40 miles
Strikes somewhere on the earth every secondStrikes somewhere on the earth every second
Kills 100 people each year in the U.S.A.Kills 100 people each year in the U.S.A.
Destroys millions of dollars in property and equipmentDestroys millions of dollars in property and equipment
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Grounding 101 – Summer 2007 - TS 7
STATIC DISCHARGESTATIC DISCHARGE
THE UNWANTED SPARK
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Grounding 101 – Summer 2007 - TS 8
Example: TEL-COM CELL SITE
Grounding LocationsGrounding Locations
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Grounding 101 – Summer 2007 - TS 9
BURNDY HAS BURNDY HAS THREE TYPESTHREE TYPES OF GROUNDING PRODUCTSOF GROUNDING PRODUCTS
COMPRESSION
EXOTHERMIC
(weld)
MECHANICAL
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Grounding 101 – Summer 2007 - TS 10
MECHANICALMECHANICAL
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Grounding 101 – Summer 2007 - TS 11
WHAT IS A MECHANICAL CONNECTOR?WHAT IS A MECHANICAL CONNECTOR? Makes a secure connection using bolts or other hardware to bind
conductors in place.
Range TakingRange Taking No special toolingNo special tooling InexpensiveInexpensive RemovableRemovable
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Grounding 101 – Summer 2007 - TS 12
WHAT ARE THE MOST WHAT ARE THE MOST COMMON CONNECTORS?COMMON CONNECTORS?
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Grounding 101 – Summer 2007 - TS 13
GBCable to bar with separator
GBMCable directly to bar
GZCable to bar loop
BUS BAR / FLAT BARBUS BAR / FLAT BARCONNECTOR CATEGORIESCONNECTOR CATEGORIES
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Grounding 101 – Summer 2007 - TS 14
BUS BAR / FLAT BARBUS BAR / FLAT BAR
GCMTwo Cables directly to bar
GLTwo parallel cables / tap
QGFLEye in basket
GCTwo cable to bar with separator
CONNECTOR CATEGORIESCONNECTOR CATEGORIES
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Grounding 101 – Summer 2007 - TS 15
KCServit postGKA
BUS BAR / FLAT BARBUS BAR / FLAT BAR
KPB
CONNECTOR CATEGORIESCONNECTOR CATEGORIES
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Grounding 101 – Summer 2007 - TS 16
CONNECTOR CATEGORIESCONNECTOR CATEGORIES
FENCE POST, PIPE & TUBINGFENCE POST, PIPE & TUBING
GPTwo cable Perpendicular
GKThree cable parallel
GDTwo cable parallel
GARCable to rod
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Grounding 101 – Summer 2007 - TS 17
FENCE POST, PIPE & TUBINGFENCE POST, PIPE & TUBING
KCServit post
GGCable or braid to rod
GAR-TCCable at 45 90 degrees
CONNECTOR CATEGORIESCONNECTOR CATEGORIES
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Grounding 101 – Summer 2007 - TS 18
FENCE POST, PIPE & TUBINGFENCE POST, PIPE & TUBING
GC-ADuel rated pipe clamps
Lower cost clamps
CONNECTOR CATEGORIESCONNECTOR CATEGORIES
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Grounding 101 – Summer 2007 - TS 19
GROUND RODS / REBARGROUND RODS / REBAR
GAR
GRCGP GK
Three cable parallelTwo cable perpendicular
Ground Rod Clamp
Cable to rod
CONNECTOR CATEGORIESCONNECTOR CATEGORIES
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Grounding 101 – Summer 2007 - TS 20
STATIC GROUNDSTATIC GROUND
GIEVehicle or temporary ground
GP-G1Raised flooring
GRFRaised flooring
CONNECTOR CATEGORIESCONNECTOR CATEGORIES
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Grounding 101 – Summer 2007 - TS 21
CABLE & BRAIDCABLE & BRAID
Braid
GXCross connection
GGCable or braid to rod KA
Tap to run
Spans movable areas
CONNECTOR CATEGORIESCONNECTOR CATEGORIES
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Grounding 101 – Summer 2007 - TS 22
RAIL & BEAMRAIL & BEAMTRANSFORMERTRANSFORMER
KCServit post
QGFLEye in basket
GA-HCable to H beam or tube
J&RGC
CONNECTOR CATEGORIESCONNECTOR CATEGORIES
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Grounding 101 – Summer 2007 - TS 23
HIGHLIGHTS: SPLIT BOLTSHIGHLIGHTS: SPLIT BOLTS
KS25
AVAILABLE FROM
#2 TO 500 kcmil
UL Listed for direct burial
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Grounding 101 – Summer 2007 - TS 24
HIGHLIGHTS: Parts of a Split BoltHIGHLIGHTS: Parts of a Split Bolt
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Grounding 101 – Summer 2007 - TS 25
HIGHLIGHTS: Dual Rated Split BoltsHIGHLIGHTS: Dual Rated Split Bolts
Used for any combination of copper and aluminum conductors.
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Grounding 101 – Summer 2007 - TS 26
JOINING COPPER AND ALUMINUMJOINING COPPER AND ALUMINUM
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Grounding 101 – Summer 2007 - TS 27
RAISED FOOR GROUNDINGRAISED FOOR GROUNDING
RAISED FLOOR GROUND GRIDS
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Grounding 101 – Summer 2007 - TS 28
GRF CLAMP ON RAISED FLOORGRF CLAMP ON RAISED FLOOR
Can be used on round or square pedestals
Accommodates one or two grounding wires
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Grounding 101 – Summer 2007 - TS 29
GP-G1 / GP-RT FOR RAISED FLOORGP-G1 / GP-RT FOR RAISED FLOOR
Epoxy paint penetrating
Can be used on round or square pedestals
Accommodates one or two grounding wires
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Grounding 101 – Summer 2007 - TS 30
QUESTION:QUESTION:WHEN IS A MECHANICAL CONNECTOR WHEN IS A MECHANICAL CONNECTOR NOTNOT
ACCEPTABLE?ACCEPTABLE?
When a permanent connection is called out,
or
When connection is exposed to severe conditions such as extreme vibration
ANSWER:
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Grounding 101 – Summer 2007 - TS 31
MECHANICALMECHANICALQUESTIONS?QUESTIONS?
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Grounding 101 – Summer 2007 - TS 32
BURNDYWELDBURNDYWELD
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Grounding 101 – Summer 2007 - TS 33
USES AN EXOTHERMIC PROCESS TO JOIN COPPER
PROVIDES A SOLID COPPER IRREVERSIBLE BOND
WILL NOT LOOSEN OR CORRODE AT THE WELD
BURNDYWELDBURNDYWELD
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Grounding 101 – Summer 2007 - TS 34
EXOTHERMIC PROCESSEXOTHERMIC PROCESS
The exothermic process is a simple, efficient method of welding copper to copper or copper to steel.
This process uses a high temperature reaction of powdered copper oxide and aluminum.
Reaction takes place in a graphite mold.
Mold will last for 50 or more welds with proper care.
This system is very field friendly, since it is light and portable and requires no outside power.
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Grounding 101 – Summer 2007 - TS 35
MOLD
THE SEQUENCE OF STEPSTHE SEQUENCE OF STEPS Open mold using handle
clamp, and insert the conductors as desired
Insert steel disc into the mold cavity
Pour powdered metal into the mold cavity
Close the lid
Tap powder container to add the starting powder to ignition pocket
Use flint device to ignite
Brush and remove mold
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Grounding 101 – Summer 2007 - TS 36
SIX STEPS FOR SIX STEPS FOR A PERFECT A PERFECT
BURNDYWELDBURNDYWELD1.1. 2.2.
3.3. 4.4.
5.5. 6.6.
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Grounding 101 – Summer 2007 - TS 37
OVER 57 DIFFERENT MOLDSOVER 57 DIFFERENT MOLDS
WELD TO REBAR
CABLE TO CABLE
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Grounding 101 – Summer 2007 - TS 38
MOUNT TO FLAT OR ROUND SURFACE
MOLDSMOLDS
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Grounding 101 – Summer 2007 - TS 39
SINGLE SHOTSSINGLE SHOTS
PROVIDES THE SAME WELD RESULT IN A COST EFFECTIVE, ONE TIME USE PACKAGE
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Grounding 101 – Summer 2007 - TS 40
WELD WELD QUALITYQUALITY
What do What do you look you look
for?for?
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Grounding 101 – Summer 2007 - TS 41
WELD QUALITY
Many factors contribute to the weld success
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Grounding 101 – Summer 2007 - TS 42
WELD INSPECTIONWELD INSPECTION
HOW DO YOU TEST THE INTEGRITY OF A HOW DO YOU TEST THE INTEGRITY OF A WELD IN THE FIELD?WELD IN THE FIELD?
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Grounding 101 – Summer 2007 - TS 43
COMMON PROBLEMS COMMON PROBLEMS WITH EXOTHERMIC WITH EXOTHERMIC
WELDINGWELDING
Moisture
Worn molds
Unclean conductors
Unclean mold
Mistakes made in welding process
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Grounding 101 – Summer 2007 - TS 44
ANY ANY QUESTIONS ON QUESTIONS ON BURNDYWELD?BURNDYWELD?
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Grounding 101 – Summer 2007 - TS 45
COMPRESSIONCOMPRESSION
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Grounding 101 – Summer 2007 - TS 46
COMPRESSION THEORYCOMPRESSION THEORY
CREATION OF A HOMOGENEOUS MASS
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Grounding 101 – Summer 2007 - TS 47
HY-GROUND SYSTEMHY-GROUND SYSTEM
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Grounding 101 – Summer 2007 - TS 48
COMPRESSIONCOMPRESSION
BURNDY HAS DEVELOPED AN IRREVERSIBLE COMPRESSION GROUND SYSTEM WHICH MEETS THE STRINGENT SAFETY AND PREFORMANCE REQUIREMENTS UL AND IEEE.
CONNECTORS EMPLOY WELL PROVEN DESIGN PRINCIPLES AND TECHNOLOGY THAT HAVE BEEN IN EXISTENCE FOR OVER 60 YEARS.
»Range TakingRange Taking
»PermanentPermanent
»Safe to installSafe to install
»Quick and EasyQuick and Easy
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Grounding 101 – Summer 2007 - TS 49
COMMON APPLICATIONSCOMMON APPLICATIONS Where HY-GROUND is used
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Grounding 101 – Summer 2007 - TS 50
GRID LAY OUTGRID LAY OUT
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Grounding 101 – Summer 2007 - TS 51
COMPONENTS OF HY-GROUNDCOMPONENTS OF HY-GROUND
WHAT’S NEEDEDProper Connector
Correct Crimping Tool
Specified Die
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Grounding 101 – Summer 2007 - TS 52
IRREVERSIBLE CONNECTION
RATED FOR DIRECT BURIAL
MANY COMPONENTS AVAILABLE
CONNECTORSCONNECTORS
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Grounding 101 – Summer 2007 - TS 53
MEETS REQUIREMENTSMEETS REQUIREMENTS
UNDERWRITERS LAB TESTS
NATIONAL ELECTRICAL CODE
IEEE 837 REQUIREMENTS
UL96 LISTED FOR LIGHTNING PROTECTION
CANADA STANDARDS ASSOCIATION
APPROVED FOR DIRECT BURIAL
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Grounding 101 – Summer 2007 - TS 54
UL LISTINGSUL LISTINGS
Rigorous testing in the Burndy UL facilities ensures all product exceed standards.
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Grounding 101 – Summer 2007 - TS 55
SUPERIOR CONNECTIONSUPERIOR CONNECTION
PRE-FILLED WITH PENETROX OXIDE-INHIBITOR
Superior connection
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Grounding 101 – Summer 2007 - TS 56
PENETROX E FILLEDPENETROX E FILLED
SHOWS VERY FEW CONTACT POINTS
Penetrox Fills The Gaps For Better Contact
Air Gaps
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Grounding 101 – Summer 2007 - TS 57
EASY TO INSPECTEASY TO INSPECT
DIE INDEX EMBOSSMENT. Match embossed number to the number
listed the on connector.
U-997
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Grounding 101 – Summer 2007 - TS 58
INSTALLS IN ANY ENVIRONMENTINSTALLS IN ANY ENVIRONMENT
Installs In Wet Environments
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Grounding 101 – Summer 2007 - TS 59
YGL-CCross connection
YGLR-CGround rod to grid
YGHP-CFigure 6
YGHC-CFigure C
COMMON TYPES - HY-GROUNDCOMMON TYPES - HY-GROUND
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Grounding 101 – Summer 2007 - TS 60
YGHR-CFigure 8
YGHP-CGround rod or tap Wire
third handYGIBCrimp to structure
H-TapSplice or tap
COMMON TYPES - HY-GROUNDCOMMON TYPES - HY-GROUND
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Grounding 101 – Summer 2007 - TS 61
COMMON TYPES - HY-GROUNDCOMMON TYPES - HY-GROUND
YGHS HGSSplice- heavy duty / standard
YGHAHylug
GSTUD-HYVersitail weld on
YGFGrounding plate
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Grounding 101 – Summer 2007 - TS 62
YGHC-C
FINDING THE PROPER CONNECTORFINDING THE PROPER CONNECTOR
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Grounding 101 – Summer 2007 - TS 63
FINDING THE PROPER CONNECTORFINDING THE PROPER CONNECTOR
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Grounding 101 – Summer 2007 - TS 64
HY-GROUND CRIMPING TOOLSHY-GROUND CRIMPING TOOLS
Y46 HY-PRESS REMOTE HEAD
Y750HS
PAT750XP 18V PATRIOT 18VOLT
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Grounding 101 – Summer 2007 - TS 65
FINDING THE PROPER DIEFINDING THE PROPER DIE
Installation Data Listed in Catalog
INSTALLATION DATA
DIEINDEX
NUMBER
Y750/Y35Y39
HYPRESS
1Y45
HYPRESS
2Y46
HYPRESS
NUMBER OF
CRIMPS
C U-C U-C U-C 1
O U-O U-O U-O 1
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Grounding 101 – Summer 2007 - TS 66
ANY ANY QUESTIONS ON QUESTIONS ON COMPRESSION?COMPRESSION?
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Grounding 101 – Summer 2007 - TS 67
WHERE DO YOU USEWHERE DO YOU USE THE THE THREE TYPES OF GROUNDING THREE TYPES OF GROUNDING
PRODUCTS?PRODUCTS?
COMPRESSION
EXOTHERMIC
(weld)
MECHANICAL
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Grounding 101 – Summer 2007 - TS 68
TEL-COM TOWER
CONNECTION APPLICATIONSCONNECTION APPLICATIONS
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Grounding 101 – Summer 2007 - TS 69
CENTRAL OFFICE SITE
CONNECTION APPLICATIONSCONNECTION APPLICATIONS
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Grounding 101 – Summer 2007 - TS 70
DIFFERENT WIRE TYPESDIFFERENT WIRE TYPES
ALWAYS KNOW THE SIZE AND TYPE OF WIRE YOU ARE CRIMPING
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Grounding 101 – Summer 2007 - TS 71
WIRE GAGEWIRE GAGE KEEP A WIRE MIKE HANDY FOR WIRE IDENTIFICATION
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Grounding 101 – Summer 2007 - TS 72
AVOID CORROSIONAVOID CORROSION
USE PENETROX-E USE PENETROX-E OXIDE INHIBITOR OXIDE INHIBITOR
ON COPPER ON COPPER CONNECTIONSCONNECTIONS
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Grounding 101 – Summer 2007 - TS 73
THANKS FOR CONSIDERING BURNDY PRODUCTSTHANKS FOR CONSIDERING BURNDY PRODUCTS
PLEASE CONTACT US IF YOU HAVE ANY QUESTIONS OR PRODUCT NEEDS.
TECHNICAL SERVICE (800) 451-4956
NEVER LET LIFE BE A SHOCK TO YOU!NEVER LET LIFE BE A SHOCK TO YOU!