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    garrettscott46's Avatar
    garrettscott46 Posts: 1, Reputation: 1
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    #1

    Sep 18, 2013, 08:57 AM
    How Many Conductors Can I Put in Conduit
    What is the number of ground wires needed inside conduit with multiple circuits - same as number of circuits?

    For example, if I run 2 or 3 separate 20A 12ga. Circuits inside 1/2 EMT conduit, must there be a 12 ga green ground conductor for each of the circuit pairs? Or can one common ground wire be used up to a JB where the multiple circuits split off.
    hfcarson's Avatar
    hfcarson Posts: 1,003, Reputation: 49
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    #2

    Sep 18, 2013, 09:09 AM
    For the specific case you describe, only (1) #12 ground conductor is needed...
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