cvpc as ground

Old 10-17-05, 07:08 PM
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cvpc as ground

My plumbing consists mostly of cvpc. While doing recent breaker box replacement electricians grounded the breaker box to brass fitting on water tank. The inlet pipe from well is black plastic pipe. Is this a sufficient ground for my systerm?
Old 10-17-05, 07:18 PM
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If there are substantial sections of copper in a system fed by plastic they must be bonded. This is what you are seeing. It is a water bond, not a ground.
Old 10-17-05, 07:43 PM
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From what material is the pipe that brings water into your house from the street made? Is it metal? If so, your panel should be grounded to the water pipe right where it enters your house (within five feet). If not, then all you need is bonding as Speedy stated.

In either case, however, you need two grounding rods as supplemental or primary system grounding.

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