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    travis29's Avatar
    travis29 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 1, 2010, 07:30 PM
    How many amps for a hot waterheater
    I am changing my natural gas hot water heater to electric I need to know how many amp c/b I need and size wire.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #2

    Jan 1, 2010, 07:45 PM

    Typically #10CU and a 2-pole 30A breaker. This will cover 99% of the full sized residential hot water heaters out there.
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