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

    Sep 13, 2013, 10:05 AM
    What is the distance before you need to upgrade the wire gauge?
    I have read that you need 20 AWG gauge wiring to run a 20 amp breaker unless it's a great distance. How much distance can you go before you need to increase the wire gauge?
    hfcarson's Avatar
    hfcarson Posts: 1,003, Reputation: 49
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    #2

    Sep 13, 2013, 12:27 PM
    First, 12 AWG is required for a 20 ampere circuit at a minimum...
    Voltage drop depends on the load, ambient temperature, number of conductors
    In a raceway... sorry, no hard and fast rules.
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