Anybody know what code requires for running power to an add-on furnace? Can you use the same circuit as the main furnace, does it requre its own circuit or can I tap into another existing circuit?
What's code on wiring up an add-on?
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glacialhills
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I believe that since they both wont be running at the same time you can wire them together on the same circuit with no problem. That's how we ran mine and I do believe that it is up to code...at least here in Michigan, your area may vary.
It depends upon the inspector. They like to see dedicated circuits for equipment for service reasons. Other than that as long as the amperage of both units together does not go over the rated amperage of the wire or the breaker.
BrownianHeatingTech
Minister of Fire
Most equipment manufacturers require a dedicated circuit for their appliance. If that's listed in the manual, you have to do it, because codes always say that you have to install according to the manufacturer's specs (except when code is more strict).
Joe
Joe
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