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-   -   Can you use green tape to use a black wire as a ground wire? (https://www.askmehelpdesk.com/showthread.php?t=504731)

  • Sep 4, 2010, 12:34 PM
    steven3333
    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.
  • Sep 4, 2010, 02:43 PM
    stanfortyman

    There is no requirement for it to even be green. Use the black and leave it.
  • Sep 4, 2010, 02:47 PM
    stanfortyman

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

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