electric baseboard wiring

procaelioMay 15, 2011

I have a 2 pole 20amp breaker. I want to supply power to two baseboard heaters (1800 watt total) in two different rooms with separate programable wall thermostats. Can I run a 12/2 wire to a junction box and two wires from the junction box, one to each of the two thermostats.

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If these are truly 900 watts each, running on 240 volts, then yes, you can run a 12/2 cable to a junction box and feed both thermostats.

    Bookmark   May 15, 2011 at 6:19PM
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For heater loads, the maximum wattage for a 20 amp circuit at 240 volts is 3840.

    Bookmark   May 15, 2011 at 8:02PM
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Yes, the wattage is well below maximum. I just need to know if it was ok to split the line before the thermostats. Thanks

    Bookmark   May 16, 2011 at 12:07AM
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Ron Natalie

Yep, you can split the line in any place that's legal to make such a junction. This will be an accessible box (perhaps one at the heater, perhaps at the thermostat, or perhaps somewhere else). In some cases you might be able to do so inside the enclosure of one of the heaters.

    Bookmark   May 16, 2011 at 9:25AM
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