HomeMy WebLinkAbout17090012.24SERVICE GROUNDING DETAIL
NOT TO SCALE.
GROUND JUMPER SHALL BE SIZED PER N.E.C. TABLE 250-94
PHASE CONDUCTORS NOT SHOWN
MDP
EQUIPMENT BONDING JUMPER
PER TABLE 250.122
INCOMING J
SERVICE
ISAIN GRO ND BUS (MGB)
N ELECTR AL ROOM.
#6 Cu.
- MAIN BONDING JUMPER
PER (250.28(D), 250.66)
• SIZE PER NEC
250.122
NEUTRAL BAR
TELE
BOARD
GROUNDING ELECTRODE �-- TYP BRANCH PANEL
CONDUCTOR.
GROUNDING ELECTRODE
CONDUCTOR.
ELECTRODE PER 2507"(2) WATER METER JUMPER.
NON-METALLIC PROTECTIVE
SLEEVE
CONNECTION LISTED
FOR PURPOSE -\
CONCRETE ENCASED ELECTRODE
PER 250.52(A)(3)
RISER DIAGRAM
NOT TO SCALE.
EXISTING
120/208
400AMP
30
WATER PIPE.
ELECTRODE PER 250.52(A)(1)
3/4" X 10'-0"
GROUND ROI
A SINGLE ELECTRODE THAT DOES NOT
HAVE A RESISTANCE TO GRD OF
LESS THAN 25 OHMS SHALL BE AUGMENTED
BY ADDITIONAL ELECTRODE(S) AS
SPECIFIED IN NEC:
250.52 (A)(4)
250.52 (A)(5)
250.52 (A)(6)
250.52 (A)(7)
-Luminaire Schedule
Symbol Qty Label Arrangement Lum. Lumens LLF Lum. Watts Description
17 C SINGLE 951 0.900 14 SYLVANIA RT6 900 LUMEN (WITH CONTECH HOUSING)
0
0 159 L1 SINGLE 4202 0.900 145.8 LPEC24-LED-HO-WW
(� 15 EM SINGLE -- -- -- 2 HEAD EXIT -EMERGENCY UNIT
NOTE: ASHREA 90.1 2007 REQUIRES A MINIMUM OF (1) LIGHT SWITCH OR CONTROL DEVICE PER ROOM