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

    Feb 5, 2013, 09:29 PM
    How many baseboard heaters on 30 amp breaker
    Can I run two 2500watt 240 volts heater s in two separate rooms with two thermostats on the some 30 amp breaker
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
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    #2

    Feb 6, 2013, 09:02 PM
    Yes, as long as you have #10 copper wire. The two heaters combined would draw aprox. 21 amps. Do not try to use any lighter (higher gauge) wire.
    scott53715's Avatar
    scott53715 Posts: 165, Reputation: 10
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    #3

    Feb 6, 2013, 11:42 PM
    This all depends on how many watts your heater draws. They should be labeled. Now you need to convert Watts to Amps. Watts divided by Volts equals Amps. (wish I new how to find simple math symbols on this complex computer). As an example 12 Watts/ 12 Volts = 1 Amp. Therefore if you have 120 volts at 30 amps you max is 3,600 watts. If everything is done correctly (proper wire size et. al.) I wouldn't go over 80% of that to be safe.
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