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    millhouse76's Avatar
    millhouse76 Posts: 2, Reputation: 1
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    #1

    Nov 7, 2010, 03:49 AM
    What size cable for a 100a supply running at a distance of 100metres.
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Nov 7, 2010, 03:50 AM
    Need to know the supply voltage to do any voltage drop calculations.
    millhouse76's Avatar
    millhouse76 Posts: 2, Reputation: 1
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    #3

    Nov 27, 2010, 02:24 AM
    It's a 240 v supply thank you
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #4

    Nov 27, 2010, 05:38 AM
    Copper wire 7.348 mm will give less than 3% voltage drop,assuming the max load is 80 amps at 100 meters.
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