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Posted by Bubba on October 20, 2007, 2:15 pm
wrote:
>
>>
>>> In brief, is it OK for a gas furnace to run off a GFI circuit?
>>>
>>> We have a gas furnace that's about 20 years old in the basement. (It
>>> also has a more recent central A/C unit coil on it.) The furnace is
>>> on a 15 amp circuit. The cable to the furnace runs through a junction
>>> box that has a duplex outlet. (The only things on this circuit are
>>> the furnace and this outlet.) While it is grandfathered under the
>>> local electrical code, code now calls for a GFI outlet (or circuit)
>>> and we are installing one.
>>>
>>> Is it OK to run the furnace _through_ the GFI outlet or should we
>>> bypass it? I know that some things don't play well with GFI circuits,
>>> such as some fluorescent lamps. What about gas furnaces? Thanks. -
>>> Jesse
>>
>>
>>Can you not wire it 'before' the GFCI outlet?
>>
>
>Thanks for the reply. Yes, we can "wire it before", as you say.
>However, since the furnace is all metal and sitting on a concrete
>floor, we thought that running the furnace _through_ the GFIC would
>provide some safety factor in case an internal short happens in the
>furnace. In other words, if there would be no problem having the
>furnace run on the GFIC, we would prefer to do it that way. Thanks. -
>Jesse
I think you're doing it the right way.
Wire it to a GFI.
Hell, for that matter, wire it through a Arc Fault breaker too.
That should make you doubley safe.
Maybe a surge protector too.
Use sheilded cable low voltage wiring also with a current balanced
thermostat.
Oh........the mind wobbles.
Bubba
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