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    steven3333's Avatar
    steven3333 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Sep 4, 2010, 12:34 PM
    Can you use green tape to use a black wire as a ground wire?
    I have to run a second ground for a 200 amp house service panel to a cold water pipe. Can I use a black leftover #6 Cu and just use green elect tape on each end? Or does the NEC say I could do that only on wires larger than #6? I am running 35 feet.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #2

    Sep 4, 2010, 02:43 PM

    There is no requirement for it to even be green. Use the black and leave it.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #3

    Sep 4, 2010, 02:47 PM

    The water bond for a 200A service is required to be at least #4cu though.
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