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    reneval25's Avatar
    reneval25 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    May 26, 2013, 09:43 AM
    Well pump
    Hi,
    I bought a wellpump, but by accident I got a 240v 3 wire, it cannot be connected to a 240 v circuit 2-wire?
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
    Uber Member
    		  
    #2

    May 26, 2013, 09:58 AM
    Are the 3 wires 3 phase or 2 hots and a ground?
    donf's Avatar
    donf Posts: 5,679, Reputation: 582
    Printers & Electronics Expert
    		  
    #3

    May 26, 2013, 09:58 AM
    Is the wiring on the new pump, Black, Red or White with a bare or green ground?

    If it is, then you have all that is necessary for a 240V connection. Pure 240 V does not use a Neutral (White). That's why a white that has black electrical tape wrapped around can be used. The black tape signals that this white conductor is being used as a "Hot" conductor.

    However, you must make sure that you use the correct size conductors for this motor.
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
    Home Improvement & Construction Expert
    		  
    #4

    May 26, 2013, 11:49 AM
    No, 3-Wire models require an above-ground control box between pressure switch and pump motor.
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