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    mac2013's Avatar
    mac2013 Posts: 1, Reputation: 1
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    #1

    Dec 15, 2013, 09:30 PM
    Electrical
    The minimum size copper equipment grounding conductor required on a motor branch circuit with a 30 amp circuit breaker and 12 awg copper counductors is
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Dec 15, 2013, 09:59 PM
    You can read the NEC online and find the answer. Hope this is a 240 circuit, otherwise itbis way over permitted amperage.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #3

    Dec 16, 2013, 04:58 AM
    Hope this is a 240 circuit, otherwise itbis way over permitted amperage.
    The voltage has nothing to do with the amperage/wire size relationship.
    If's a motor branch circuit so #12 on a 30A is perfectly feasible.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
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    #4

    Dec 16, 2013, 04:59 AM
    The minimum size copper equipment grounding conductor required on a motor branch circuit with a 30 amp circuit breaker and 12 awg copper counductors is
    Do your own homework. It's all in the NEC and your study guides.

    Why not tell us what you think it is and how you get it and we'll go over it?
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