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    guirk11's Avatar
    guirk11 Posts: 1, Reputation: 1
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    #1

    Aug 18, 2007, 07:06 PM
    220 wireing
    How many wires does 220 central air have going to the copressor unit outside
    acetc's Avatar
    acetc Posts: 1,004, Reputation: 79
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    #2

    Aug 18, 2007, 07:09 PM
    Two line wires and a ground wire.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #3

    Aug 18, 2007, 10:31 PM
    There COULD be 2 circuits going to the disconnect. If you had an AC disconnect with an integral 120 VAC GFCI receptacle. One being 220 and the other 120 V.

    Usually L1, L2 and GND are required for the compressor.
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