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Joined: Jul 2004
Posts: 9,931 Likes: 34
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If you couldn't use straight thread into a conduit body you couldn't use an EMT connector.
I agree jointing RMC is more like plumbing but everything else is a simple, compression, "nut and bolt" situation.
If I had a concern about the "chase nipple/LB" joint it would be that there wasn't a star washer in the joint ... but I have a hard time making a code case unless it was some obscure "paint" reference. A short piece of straight thread with a hard biting lock nut would make me feel better. I look for reasonable fault paths in raceways, even with a green wire. You don't want hot pipe. I know the code really only gets serious in service raceways and fire pumps.
Greg Fretwell
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Joined: Jul 2004
Posts: 9,931 Likes: 34
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In retrospect I bet the tapered thread LBs are listed explosion proof.
Greg Fretwell
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Joined: Jul 2004
Posts: 9,931 Likes: 34
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It is interesting that Appleton starts out saying "Rigid steel, Rigid aluminum IMC and EMT", then drops EMT when they get to the specifics.
How would an inspector know which conduit bodies are listed for EMT?
Greg Fretwell
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Joined: Jan 2005
Posts: 5,445 Likes: 3
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Greg, just look at the connectors. If there are lots of threads sticking out of the body, the connector doesn't fit.
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Joined: Jul 2004
Posts: 9,931 Likes: 34
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if it was made up wrench tight the objective of an effective fault path would be met tho. 
Greg Fretwell
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Posts: 49
Joined: August 2001
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