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Message No. 26426, Started by stanleyalloys01 on 12/20/21
disimilar metals

Did an inspection of new home recently and found that the ground clamp attached to the incomming copper water supply pipe is made of metal and knowing that disimilar metals corrode over time, is it required to be called out?

I have called this out in other homes but it seems that all/most electricians use them. Surely they would know that disimilar metals corrode.

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