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

    Oct 3, 2007, 03:28 AM
    Wiring for window unit
    I am installing a 30 amp 250 vac unit unit. The distance from the panel box to the plug will be approximately 110'. I am planning on using 12g wire. Will this suffice or should I use 10g?
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
    Uber Member
    		  
    #2

    Oct 3, 2007, 05:23 AM
    #12 wire is only rated 20 amps.

    A 30 amp circuit needs a minimum of #10 wire.
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