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    hollywub's Avatar
    hollywub Posts: 3, Reputation: 1
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    #1

    Oct 22, 2010, 01:46 AM
    Can the 4AWG Bare Copper wire from my generator to Grounding Rod be exposed?
    I am installing a standby generator on a concrete slab and there is about 4.5 ft from the grounding rod to the connection on the generator. I am using bare 4AWG copper wire and a copper rod. I am going to bury the rod and clamp and just leave the 4.5ft length exposed. Is this OK? I have no way to bury the length. Should I use plastic conduit to cover this length?
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Oct 22, 2010, 02:33 AM
    The wire does not need conduit if you bury it.
    hollywub's Avatar
    hollywub Posts: 3, Reputation: 1
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    #3

    Oct 22, 2010, 09:26 AM
    Tkrussel. I can not bury it because the slab is already in place. So for the 4.5ft that is exposed I should use conduit?
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #4

    Oct 22, 2010, 09:41 AM
    OK, I misread your question.

    The #4 wire does not need conduit if it would not be subjected to physical damage.

    Use conduit to protect it, it it can be damaged.
    hollywub's Avatar
    hollywub Posts: 3, Reputation: 1
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    #5

    Oct 24, 2010, 08:09 PM
    Comment on tkrussell's post
    Thank you. All installed. Passed inspection.
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