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Joined: May 2003
Posts: 2,876
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Just wondering about this, haven't come across a situation lately where I kept K&T, but could/should it be AFCI/GFCI'ed at the breaker?
Anyone have an opinion on that?
Mark Heller
"Well - I oughta....." -Jackie Gleason
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Joined: Feb 2003
Posts: 198
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Thats a good question, don't know , never tried it. IMO, it might not work due to the fact that polaritys are always crossed at times in K&T wiring,and also switched neutrals, encountered in old homes, and hot 3 ways.
Shoot first, apologize later.....maybe
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Joined: Dec 2003
Posts: 751
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Arc fault breakers should still work with K and T.
Ground fault breakers might not work if the neutral and hot polarity is switched. Best to use GFCI receptacles, after determining the correct polarity.
Earl
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Joined: Feb 2004
Posts: 62
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Also be forewarned, a lot of the old metal boxes aren't large enough to accommodate a GFCI receptacle.
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Joined: Mar 2004
Posts: 947
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When I change a panel and there is K&T I put a GFI switch on the K&T, by the panel. The only problem is that sometimes the circuits share a neutral, or two.
When I add a bedroom plug, I put the K&T for the bedroom on the AFCI with the new plug. Same problem with shared neutrals.
Haven't had any problems with polarity.
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Posts: 47
Joined: March 2008
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