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#80401 - 04/09/02 11:30 AM sub panel to storage building/shop  
Reel-Break  Offline
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Joined: Apr 2002
Posts: 178
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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


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#80402 - 04/09/02 04:44 PM Re: sub panel to storage building/shop  
George Corron  Offline
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Joined: May 2001
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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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