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    fsomani's Avatar
    fsomani Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Dec 30, 2010, 11:35 AM
    Three white wires & three black wires to dimmer switch with 2 black wires - Help!
    I'm installing a new dimmer switch and when I removed the old on/off switch, I found 3 white cables all tied together and 3 black cables. I know that the cables also connected to the light switch in the guest room. I just don't know what to do with my 2 black wires from my new dimmer switch, and the cables in the box. Thanks
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #2

    Dec 30, 2010, 12:35 PM

    Connect the two blacks to the two wires that were on the old switch. DO NOT open any splices that exist in the box.
    fsomani's Avatar
    fsomani Posts: 2, Reputation: 1
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    #3

    Dec 31, 2010, 02:15 PM
    Worked like a charm! But now I'm hearing some buzzing. It increases as the level of lighting is lowered. Did I miss something? Thanks stanfortyman!
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