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

    May 7, 2009, 05:21 PM
    Wiring new water heater to breaker box
    I am installing a new 240v single phase water heater with a two wire connection(red and black). I have a 30amp two-pole breaker, and I need to know if 12-2 Romex is sufficient or do I need to up the size to 10-2 ?
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #2

    May 7, 2009, 05:22 PM

    10-2 for 30 amps

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