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    hbuff716's Avatar
    hbuff716 Posts: 1, Reputation: 1
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    #1

    Jul 7, 2012, 09:02 AM
    Mixing wire gauges
    I'm wiring 2 spare rooms in my attic and I have some short 12/2 cables lying around and I'm wondering if I could run a 14/2 on a 15 amp breaker from my panel & use the left over 12/2 cable to connect the receptacles. Will this be illegal? Any help will be greatly appreciated.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #2

    Jul 7, 2012, 09:28 AM
    With a 15 amp breaker you should use 14 gauge wire OR LARGER. You should be fine using your left over 12/2
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