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

    May 26, 2008, 04:23 AM
    240 Volt 3 Wire Service to 4-Wire Receptical
    I am replacing an electrical stove with a new electrical range. The old stove was hard wired with a 3-wire service. I assume 2 hot and a ground). The new range requires a 4-wire receptical (I assume 2 hot, neutral & ground). Can I wire the 3-wire service to the 4-wire receptical? (How do I do this?) or do I need to re-wire the house with a 4-wire service from the main box?
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #2

    May 26, 2008, 04:33 AM
    An old 3-wire circuit CAN be used for a new appliance. The hook up is based on the CIRCUIT, NOT the cord on the appliance.
    That said, you would have to install a 3-wire receptacle on the wire and replace the cord with a 3-wire. This is legal, but not suggested.
    Your BEST bet is to run a new 4-wire circuit to this range.
    margos22's Avatar
    margos22 Posts: 1, Reputation: 0
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    #3

    Mar 13, 2012, 01:57 PM
    4-wire appliance is a black, red, green & white. House wire is black, white, and bare copper. Connect black to black. Connect red to white on house wire. Connect green and white of appliance to bare copper house wire. In this case the ground and common are the same.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #4

    Mar 13, 2012, 02:03 PM
    margos22, please check the dates of the posts you are replying to.
    kunkfu's Avatar
    kunkfu Posts: 5, Reputation: 1
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    #5

    Apr 15, 2012, 02:27 AM
    stanfortyman you're 100 percent correct in your response.
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