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    danarh's Avatar
    danarh Posts: 2, Reputation: 1
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    #1

    Feb 17, 2010, 05:05 AM
    What is the wire size for a 30amp circuit at 200 feet?
    I am trying to install a 30amp sub-panel out to my barn from the house. The wire run is approximately 200 feet including the internal wire distance in both buildings. What wire size do I need to use? Will 8/3 with ground be sufficient?
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Feb 17, 2010, 05:08 AM

    #4 copper will be needed to deliver 30 amps 120 volts 200 feet.
    danarh's Avatar
    danarh Posts: 2, Reputation: 1
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    #3

    Feb 17, 2010, 05:33 AM

    My oversight... sorry. 30 amps 240V at 200 feet. What is the required wire size?
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #4

    Feb 17, 2010, 05:45 AM
    #6
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