Questions tagged [earthing]

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Earth clamp material for copper pipe

I have a copper water pipe i want to connect to earth. I bought some pipe earth clamps but I’m suspicious that maybe the material they’re made from is not suitable and will result in galvanic ...
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Why American homes are wired TNC-S and not TNC

I wonder why American buildings are mostly grounded TNCS and not just TNC. They have virtually no RCD protection, and also an RCD could work fin on TNC system as long as PE on outlet is connected on ...