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    unclebuster63's Avatar
    unclebuster63 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Aug 20, 2009, 04:26 PM
    Lead and line?
    Which is the hot white or black.installing a disconnect box on a heat pump.Which is which??
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #2

    Aug 20, 2009, 04:29 PM
    All right, I have to say, if you are asking this it is safe to say you might be in a little over your head doing this job.

    There is a very real chance that BOTH the white AND black are hots.
    Do you have a meter or tester, and by this I do not mean a neon tester.
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