typical grounding and bonding detail typical site lighting pole base

SERVICE
ENTRANCE
EQUIPMENT
DISTRIBUTION OR
BRANCH CIRCUIT
PANEL
BJ
BJ
BJ
EGC
GNC
BJ
GNC
EGC
GNC
GNC
EGC
BJ
IN
G
G
BJ
BJ
IN
OMIT BONDING JUMPER IF
INTERIOR STRUCTURAL
STEEL IS GROUNDED
STANDARD
TRANSFORMER
BJ
GEC
EGC
GNC
GNC
EGC
GEC
INTERIOR
STRUCTURAL
STEEL.
CONNECTORS
BJ
CEE
>20 ft
IN
G
#6 BARE COPPER GROUND FROM
GROUND ROD TO FIXTURE BASE.
BJ
GEC
GEC
CONTINUOUS ELECTRICAL
PATH THROUGH ALL
INTERIOR STRUCTURAL
STEEL (TYP)
PIGTAIL
GRADE
ACCESS PANEL
CONDUIT
(TYPICAL)
BJ
PROVIDE BONDING JUMPERS ACROSS
EXPANSION JOINTS & ELEMENTS OF
NON-ELECTRICALLY CONTINUOUS
INTERIOR STRUCTURAL STEEL
GEC
GEC
BJ
INTERIOR
WATER METER
FIXTURE POLE.
BJ
LOCAL INTERIOR HOT &
COLD WATER PIPING.
INTERIOR
STRUCTURAL
STEEL.
DGR
BJ
Xo
CWPG
>10 ft
BJ
GAS SERVICE PIPE, AFTER
METER.
GEC
BJ
STANDARD
RECEPTACLE
BJ
INTERIOR STRUCTURAL
STEEL.
BJ
BJ
GEC
GROUNDING ELECTRODE
CONDUCTOR. (GEC)
LOCK NUT AND
BUSHING. (TYP.)
BRANCH
CIRCUIT
PANEL
EGC
BJ
POLETOP LUMINARIE ASSEMBLY
NM SLEEVE
>10 ft
DRIVEN
GROUND
ROD(S) (DGR)
OR
GROUNDING
TRIAD
DGR
LEGEND
BJ
CEE
CPWG
DGR
EGC
G
GEC
GNC
IN
N
Xo
=
=
=
=
=
=
=
=
=
=
=
EXOTHERMIC CONNECTION
GRADE
(CONFIRM WITH
LIGHTING PLAN)
CONDUIT(S) TO NEXT POLE. REFER TO
PANEL SCHEDULES FOR SIZE AND QUANTITY
BONDING JUMPER
CONCRETE ENCASED ELECTRODE
COLD WATER PIPE GROUND
DRIVEN GROUND ROD
EQUIPMENT GROUNDING CONDUCTOR
GROUND BLOCK
GROUNDING ELECTRODE CONDUCTOR
GROUNDED NEUTRAL CONDUCTOR
INSULATED NEUTRAL BLOCK
NEUTRAL BLOCK
TRANSFORMER NEUTRAL BLOCK
ABOVE
GRADE
FURNISH AND INSTALL HANDHOLE
AT EACH POLE BASE SLAB.
BELOW
GRADE
MINIMUM 1-INCH PVC CONDUIT.
MINIMUM 24" BELOW GRADE.
TYPICAL GROUNDING AND BONDING DETAIL
INCOMING
WATER SERVICE
NOT TO SCALE
3/4" x 10' COPPER CLAD
STEEL GROUND ROD.
GROUNDING AND BONDING DETAIL NOTES:
1.
DETAIL IS TYPICAL AND IS INTENDED TO ILLUSTRATE METHODS OF GROUNDING
AND BONDING OF ELECTRICAL DISTRIBUTION SYSTEM COMPONENTS.
2.
METHODS OF ESTABLISHING THE GROUNDING ELECTRODE SHALL BE BY MEANS OF
ONE OF THE COMBINATIONS OF GROUNDING ELECTRODE CONDUCTORS AND
GROUNDING ELECTRODES INDICATED IN THE DETAIL.
3.
BONDING JUMPERS (BJ), GROUNDING ELECTRODE CONDUCTORS (GEC),
GROUNDED NEUTRAL CONDUCTORS (GNC), AND EQUIPMENT GROUNDING
CONDUCTORS (EGC) SHALL ALL BE INSULATED. BONDING JUMPERS (BJ) MAY BE
BARE WHEN WITHIN AN ENCLOSURE OR LESS THAN 6'-0" IN LENGTH. INSULATION
COLORS SHALL BE AS FOLLOWS:
a. BJ:
GREEN
b. GEC:
GREEN
c. GNC:
WHITE
d. EGC:
GREEN
4.
REFER TO NATIONAL ELECTRICAL CODE "GROUNDING ELECTRODE CONDUCTORS"
TABLE (2011 NEC 250.66) AND "EQUIPMENT GROUNDING CONDUCTORS" TABLE (2011
NEC 250.122) FOR SIZING OF GROUNDING AND BONDING CONDUCTORS INDICATED
ABOVE.
5.
BONDING JUMPER IS NOT REQUIRED FOR RECEPTACLES IF U.L. LISTED
AUTO-GROUND WIRING DEVICES ARE USED.
6.
BONDING JUMPER IS NOT REQUIRED IF U.L. LISTED AND APPROVED BONDING
LOCKNUTS OR BUSHINGS AND NONMETALLIC RACEWAYS AND/OR BOXES ARE
USED
7.
ELECTRICALLY CONTINUOUS METAL BAR JOISTS IN MASONRY CONSTRUCTION
SHALL BE BONDED TO THE SERVICE ENTRANCE EQUIPMENT ENCLOSURE OR TO
INTERIOR, GROUNDED, STRUCTURAL STEEL IN OTHER PORTIONS OF THE BUILDING.
8.
CONCRETE ENCASED ELECTRODE SHALL BE ELECTRICALLY CONDUCTIVE ALONG
ITS ENTIRE LENGTH. PIGTAIL SHALL BE SAME SIZE AND MATERIAL AS GROUNDING
ELECTRODE CONDUCTOR. COORDINATE INSPECTION OF PIGTAIL, SLEEVE AND
CONNECTION TO ELECTRODE WITH AUTHORITY HAVING JURISDICTION.
CONCRETE BASE
DIAMETER.
TYPICAL SITE LIGHTING POLE BASE DETAIL
NOT TO SCALE
GALVANIZED STEEL POLE
WITH INTEGRATED LIGHTNING GROUNDING
ELECTRODE SYSTEM FROM MUSCO.
REFER TO MANUFACTURER'S WRITTEN
INSTALLATION INSTRUCTIONS.
ELECTRICAL COMPONENTS
ENCLOSURE(S)
PATCH TO MATCH
EXISTING
10'-0"
HANDHOLE
CONDUIT(S) TO NEXT POLE. REFER TO
PANEL SCHEDULES FOR SIZE AND QUANTITY
SEE PLANS FOR PROPOSED ROUTING.
2'-0"
COMPACTED SOIL
36"
MAGNETIC WARNING TAPE
6"
WIRE ACCESS HOLE AND
CONDUIT ADAPTER PLATE
BELOW GRADE
FURNISH AND INSTALL HANDHOLE
AT EACH POLE BASE SLAB.
6"
CLEAN SAND FILL
SCHEDULE 40 PVC CONDUIT(S)
COORDINATE QUANTITY WITH
PLANS AND SCHEDULES.
(TYPICAL)
CONDUIT AND FEEDERS MINIMUM 24" BELOW GRADE.
FIELD COORDINATE WITH POLE MANUFACTURER.
6"
PRECAST CONCRETE BASE
3"
3"
3"
VARIES
TYPICAL MUSCO POLE DETAIL
TYPICAL DIRECT BURIED DUCTBANK DETAIL
NOT TO SCALE
NOT TO SCALE

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