romex in service panels

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sminor

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is there a code violation for using a 2" nonmetallic threaded fitting to serve as a raceway for 12-14 romex cables to enter a service panel? I thought that romex must be connected to a box and secured by staples within 12". is there a section other than 312.5C?
 
sminor said:
is there a code violation for using a 2" nonmetallic threaded fitting to serve as a raceway for 12-14 romex cables to enter a service panel? I thought that romex must be connected to a box and secured by staples within 12". is there a section other than 312.5C?
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I believe the 2" fitting would not be listed as a NM connector.
 
I'm thinking you can use a nipple as long as it is bushed and the romex is stapled within 12" and the sheath extends into the panel. May be some other restrictions. Give me a bit to find it.
 
crossman said:
Doh! I didn't read your post very well. 312.5(C) exception says it is okay, so there ya go!
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The exception requires that the cables enter the top of a surfaced mounted enclosure through a nonflexible raceway not less than 18-inches long. I doubt that the threaded fitting in the OP is 18-inches long.;)

Chris
 
As I read it to use the exception to 315.5 C you need to meet all of the conditions (a-g) of the exception not just 1 of them so the answer to the op question should only be no unless there is some local rule permitting otherwise.
 
raider1 said:
The exception requires that the cables enter the top of a surfaced mounted enclosure through a nonflexible raceway not less than 18-inches long. I doubt that the threaded fitting in the OP is 18-inches long.;)
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You are right! Again I am guilty of not having read the OP thoroughly enough.:cool:

All the conditions in the exception apply as Jomaul states.
 
Romex cables

Romex cables

Be aware that this changes with the 2008 NEC because of energy conservation and filling holes around cables may require a derating.
 
Do I read this section correctly that this would be permissible and would not require derating for bundled conductors if this were a conduit with fittings who's overall length was over 18" and under 24" ? (based on 2005 NEC)
 
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pbeasley said:
Do I read this section correctly that this would be permissible and would not require derating for bundled conductors if this were a conduit with fittings who's overall length was over 18" and under 24" ? (based on 2005 NEC)
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That is correct as long as you follow a-g
 
abe72487 said:
Be aware that this changes with the 2008 NEC because of energy conservation and filling holes around cables may require a derating.
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Wouldn't make a difference in this case, since when cables are entering through a sleeve like that code section permits, you're dealing with a surface mounted panel. The energy codes don't really care what you hang on a wall.
 
sminor said:
is there a code violation for using a 2" nonmetallic threaded fitting to serve as a raceway for 12-14 romex cables to enter a service panel? I thought that romex must be connected to a box and secured by staples within 12". is there a section other than 312.5C?
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I have seen this install in our area many time and it passes inspection--- It still is not code compliant.

Edit to add after reading Marcs post-- The one's I have seen are also recessed panels. Ugh
 
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This building has about 40 + panels, all of them have 3" EMT coming out the top through a structural ceiling for all the NM's to enter the panels... :roll:

Litchfieldoutsidenight300x204.jpg
 
- The one's I have seen are also recessed panels. Ugh[/QUOTE]

As long as the end of the conduit is not recesed in the wall.
It must either go in the attic, crawl space , etc...
 
buckofdurham said:
- The one's I have seen are also recessed panels. Ugh

As long as the end of the conduit is not recesed in the wall.
It must either go in the attic, crawl space , etc...
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What?? The Panel must be surface mounted. The conduit can not come out of the bottom of the panel as well.
 
stickboy1375 said:
This building has about 40 + panels, all of them have 3" EMT coming out the top through a structural ceiling for all the NM's to enter the panels... :roll:
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Are those 3-inchers open at the end or do they end in a junction box?
 
mdshunk said:
Are those 3-inchers open at the end or do they end in a junction box?
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Got me, goes through a structural ceiling, but I can tell you this, the 4 panels in the truss attic have no junction box.



[edit] I doubt it since you can see the jacket on the branch circuits inside the panels.
 
stickboy1375 said:
What?? The Panel must be surface mounted. The conduit can not come out of the bottom of the panel as well.
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Yes, Isn't that what you mean in your post #14.
As long as the end comes out in an accessible area.
My understanding is if it is left in the wall. It would be more likely for a mouse to crawl up in the panel to play.
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