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Joined: Apr 2002
Posts: 178
R
Member
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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Joined: May 2001
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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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