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    dherman1's Avatar
    dherman1 Posts: 129, Reputation: 10
    Junior Member
     
    #1

    Sep 24, 2007, 08:49 AM
    Converting 2 wire 220 to 110
    Howdy,

    The place I am currently living in (a duplex) had a 220 volt outlet for a large window air conditioner.

    The circuit was removed from the panel when the place was upgraded to central air.

    I would like to convert the outlet from 220 single receptacle to 110 duplex receptacle. The wires are run through BX and consist of 12 ga Black and Red, no White wire and no ground. I am assuming that the BX is acting as a ground.

    Can I run the Black wire into a new breaker (15 amp as that is what I have for both the breaker and receptacle) and then run the red wire into the neutral bar?

    Also, I need to lengthen the wires to fit into an open spot so I could splce a white wire to the red if that would make things better. (I would twist the wires and use a wire nut/tape on the splce)

    Thanks for your help!

    Dan
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
    Uber Member
     
    #2

    Sep 24, 2007, 10:36 AM
    Don't change the actual wire colors. Tape the insulation of the red wire with a piece of white electrical tape at BOTH ends.

    Although the preferred method is to move breakers around in the breaker box, I believe it's permissible to extend the wires with similar colors and tape the ends the color it's supposed to be.

    The breaker rating needs to be less than what the wire can handle.
    e.g. 15A = 14 AWG, 20 A = 12 AWG. As the wire gage value gets smaller, the current that it can handle goes up.

    EDIT: Changed 20 A to 12 AWG per donf's catch
    donf's Avatar
    donf Posts: 5,679, Reputation: 582
    Printers & Electronics Expert
     
    #3

    Sep 24, 2007, 01:10 PM
    Oops, typo.

    12 AWG is used for 20 Amp, 10 for 30 Amp, 8 for 40 amp and 6 for 60 Amp.

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