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I have a range that I am hooking up, there is a red wire, black wire, copper wire and a white wire, I am asking if the white wire is a common wire or is it ground?

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    White is neutral, bare copper is ground – Tyson Dec 2 '17 at 18:41
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    White is never ground. Green, green/yellow or bare is the global standard for ground, it is the only standard color worldwide. Even Russia. – Harper Dec 2 '17 at 18:52
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White is neutral, green is ground

White is the neutral (return). Green is ground (safety). Think of it this way: white is the normal way for power to return (like a drain pipe). Green is the safety (floor drain) that deals with spills.

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