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Old 11-30-2009, 07:14 AM   #1
 
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grounding question


Hi I have a question about grounding ? a two unit building in has one service drop from the pole then is split in to two meters. I am a liittle confused there are two seperate panels inside one panel GEC is coonected to the cold water pipe No GEC for the other panel. Shouldn't each panel have a ground? Can they use the same water pipe does this create a problem?
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Old 11-30-2009, 07:19 AM   #2
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The ground from the water pipe and ground from a grounding rod both go to the main distribution panel. If these two panels are feed from a meter/disconnecting box then the grounding goes into this box only. A four wire feed is used to feed the two sub panels. All ground wires and neutral wires are separate after the main disconnecting means.
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