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

    Feb 28, 2010, 08:57 PM
    Can you use number 12 wire for lights with a 20 amp breaker
    What is the difference between a 15 amp outlet and a 20 amp outlet
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #2

    Feb 28, 2010, 09:22 PM

    Yes, 20A and #12 may be used for lights. 15A breaker and #12 may be used for lights.


    A 20 A outlet has 1 prong that's shaped like a "T". It allows both 20 A plugs and 15 A plugs to be plugged in.

    #12 MAY be used with a 20 A breaker and either 15 or 20 A outlets (mix or match).

    #12 MUST be used with 20 A outlets.

    20 A outlets, wire and breakers are a little more expensive

    If wired with #12, a 15A breaker or a 20 A breaker can be used.
    If a 15 A breaker is used, no 20 A outlets are permitted.


    #14 MUST be protected with a 15A breaker and 15 A outlets MUST be used. No 20 A outlets are permitted.
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