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    Justneedhelp's Avatar
    Justneedhelp Posts: 1, Reputation: 1
    New Member

    Jul 18, 2007, 01:56 PM
    Leviton 057 Dimmer switch

    I have a Leviton 057 dimmer switch with two black wires and one that is green.
    The box in my apartment has two wires--both black, but one is much thicker than the other.
    I don't have the means of testing to see which is live. Can anyone please tell me which wires go where?

    Thanks for your help!
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
    Uber Member

    Jul 18, 2007, 05:52 PM
    If a switch was there, you should be able to connect 2 switch wires to box wires.
    #12 should be protected by 20 Amp Breaker.
    #14 should be protected by 15 Amp Breaker.
    Smaller than that should be replaced.

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