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sub panel to storage building/shop #80401
04/09/02 10:30 AM
04/09/02 10:30 AM
R
Reel-Break  Offline OP
Member
Joined: Apr 2002
Posts: 178
nc
In wiring a storage building from home panel I`m running 100 amp service to it 4 wire use now I`m not sure do I drive a ground rod or 2 ground rods or does the 4th egc wire take care of it. Thanks in advance

2017 / 2014 NEC & Related Books and Study Guides
Re: sub panel to storage building/shop #80402
04/09/02 03:44 PM
04/09/02 03:44 PM
G
George Corron  Offline
Member
Joined: May 2001
Posts: 717
Lorton, Va USA
Reel,
99 code 250-32. If your building has more than one ckt (and I'm pretty sure we can assume it does) you have to have a grounding electrode (rod, water pipe, effectively grounded bldg steel, etc.) connected to your green, bare, whatever grounding conductor.

Using 4 conductors, your neutral and ground are kept separate at the out-building service, but the ground must have an electrode.


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