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    joypulv's Avatar
    joypulv Posts: 21,591, Reputation: 2941
    current pert
    		  
    #1

    Sep 25, 2010, 01:21 PM
    Wiring cooktop with 2 black wires, no red
    I have a new cooktop 30A (replacing old 30A) with 2 black wires and 1 green and that's it! Does it not matter which black wire goes to red??
    Plus the plastic whip is bigger than any holes in the old junction box. It has a huge removable plug on it but it's still too big. Do I have to buy some adapter to get it to clamp safely into the opening?
    It's a Kuppersbush.
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #2

    Sep 25, 2010, 02:08 PM

    It doesn't matter, Black/Black, Red/Red, Black/Red, and either hot leg from breaker can go to either color. You just need the 240 volts to the 2 black.
    They Make reducing wasers to reduce the size of the hole to allow smaller connectors.

    I have only seen and used these:
    http://www.garvinindustries.com/Fast...ducing-Washers

    These, I just now found, and there are times you need a side clipped off, these are clipped in a hex pattern:
    http://www.globalindustrial.com/g/el...ducing-washers
    joypulv's Avatar
    joypulv Posts: 21,591, Reputation: 2941
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    #3

    Sep 25, 2010, 06:17 PM
    Thanks stratmando
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #4

    Sep 25, 2010, 06:26 PM

    Anytime.
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