Ground wire question


Old 12-07-06, 11:10 AM
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Ground wire question

I recently moved into a house that was built in 2002, in a suburb outside of Chicago. While the home passed inspection before I purchased it, I can see that the builder spared no cost savings during construction.

My question is about the main ground wire coming from the service panel. It is connected to a copper cold water pipe about 25' from the main water meter. The meter itself has the required ground jumper in case it needs to be removed.

If I should break this copper pipe to perform repairs or to add additional water service, do I run the risk of breaking my electrical ground?

I thought that newer electrical codes required the panel ground to be connected before the water meter at the main service entrance to prevent any loss of ground from a disconnected pipe.

Am I being paranoid or is this grounding method okay?

Thanks in advance for your advice.
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Old 12-07-06, 11:36 AM
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If the pipe entering the house is metallic, and is metallic at least 10' underground, then this is not acceptable. The connection must be made within 5' of where the pipe enters.
If the pipe entering the house is plastic, you are fine.

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