Gfci for gas furnace

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Rdcowart

Rdcowart

Senior Member
Location
North Carolina
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Electrical license Holder
I know that a gfci is not required for a furnace in a crawl space. But this home was built in 1909 so the area that it is in is like crawl space/basement. The furnace is 3 to 4ft down below grade. Am I now required to add gfci protection. The area has sump pump to keep it from flooding.
 
Rdcowart said:
I know that a gfci is not required for a furnace in a crawl space. But this home was built in 1909 so the area that it is in is like crawl space/basement. The furnace is 3 to 4ft down below grade. Am I now required to add gfci protection. The area has sump pump to keep it from flooding.
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I grew up in an old house with an oil-fired furnace in a "crawl space/basement." Yes, there was a sump pump to keep it from flooding. But I can't even count the number of times that space flooded every winter. I realize that modern sump pumps are significantly more reliable than what that house had so many decades ago, but even modern sump pumps fail (or get their inlets obstructed).

Just something to consider when you think that a sump pump will keep a below-grade space from flooding.
 
Jon456 said:
I grew up in an old house with an oil-fired furnace in a "crawl space/basement." Yes, there was a sump pump to keep it from flooding. But I can't even count the number of times that space flooded every winter. I realize that modern sump pumps are significantly more reliable than what that house had so many decades ago, but even modern sump pumps fail (or get their inlets obstructed).

Just something to consider when you think that a sump pump will keep a below-grade space from flooding.
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Had 3 running at once and it couldn't keep it from flooding. After to 06 event here in the NE and changes to the nearby stream, flooded 7 time that next year and lost 3 furnaces even with that many pumps. GFCI won't protect the furnace but if it does flood might keep anyone entering the basement from getting hit. Maybe. As I've seen entire panel submerged and not a breaker triped and never lost the power.
 
Why would a direct wired unit need gfci protection. NC is still on the 2017 which doesn't require GFCI unless it is a receptacle
 
Dennis Alwon said:
Why would a direct wired unit need gfci protection. NC is still on the 2017 which doesn't require GFCI unless it is a receptacle
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That has not been confirmed if it is hardwired or receptacle. But if it is hardwired it doesn't.
Now to throw a twist. If like mine it is hardwired but there is a receptacle powered off from the furnace for the condensation pump, now would that require GFCI protection? Furnace in unfinished basement.
 
It is a hard wired furnace. I was just double checking on it being below grade if I needed to add gfci protection to it. I knew that if it was above grade it was fine. Thank you all for helping me get this answered.
Hey Dennis when is Nc going to adopt the 2020 I thought they had adopted it October the 1st.
 
Rdcowart said:
It is a hard wired furnace. I was just double checking on it being below grade if I needed to add gfci protection to it. I knew that if it was above grade it was fine. Thank you all for helping me get this answered.
Hey Dennis when is Nc going to adopt the 2020 I thought they had adopted it October the 1st.
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Nope. They really are doing it crazy this year. The building code council didn't like the amendments especially in the residential section so they decided to accept the 2020 code on Nov.1--- tomorrow but only for commercial codes- whatever that means. The residential part of the nec will still be on the 2017 till.......I would not venture a guess.
 
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