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

    Jun 22, 2010, 02:37 PM
    Electrical power source in house wiring
    How do you determine if the power source is coming to a ceiling fixture then to the wall switch or vise-a-versa.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #2

    Jun 22, 2010, 02:41 PM

    Open both boxes, disconnect the black wire in each box and test is the short cut. You need a meter or tester, kill the power while you are disconnecting and connecting but not during the testing.
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