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    Paul4's Avatar
    Paul4 Posts: 1, Reputation: 1
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    #1

    Jul 15, 2010, 02:13 PM
    May I connect # 10 wire to #12 wire
    May I connect # 10 wire to #12 wire
    jlyons34's Avatar
    jlyons34 Posts: 3, Reputation: 1
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    #2

    Jul 15, 2010, 02:22 PM

    As long as you are not pulling more than 20 amps
    twinkiedooter's Avatar
    twinkiedooter Posts: 12,172, Reputation: 1054
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    #3

    Jul 15, 2010, 02:23 PM

    What are you trying to hook up? Or what are you trying to repair. What voltage, amps, etc.
    Missouri Bound's Avatar
    Missouri Bound Posts: 1,532, Reputation: 94
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    #4

    Jul 15, 2010, 06:43 PM

    Although the NEC doesn't address it specifically, it's a bad idea to mix wire sizes in a circuit. It allows for the possible overload of the smaller wire by mistakenly fusing the circuit for the larger wire.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #5

    Jul 15, 2010, 06:48 PM
    Quote Originally Posted by Paul4 View Post
    may I connect # 10 wire to #12 wire
    May I ask why you would need to?


    Missouri's reply is completely accurate and correct BTW.
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #6

    Jul 16, 2010, 05:55 AM

    Only reason I would do something like that is if I had a receptacle on the side of the house fed by #12's, and I wanted to run a Line from there with some distance, then I might use #10 to reduce the Voltage Drop.
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