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

    Apr 7, 2011, 08:05 PM
    240v electrical power 1100' to a well pump
    I am trying to power a 240v well pump 1100' from a breaker box. What type of wire and breaker should I use. Currently I have 10-2 run about 350' to a junction where I atttach a generator. I am trying to conver a span of 750' from my breaker to the existing junction.
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Apr 8, 2011, 02:35 AM
    Need to know the amperage draw of the motor, or you can use this calculator:

    Southwire - Delivers Power

    For example, a 10 amp load at 240 volts and 1100 feet will need a minimum of #2 aluminum.
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