UF into exterior ground lighting/receptacles ?

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ritelec

ritelec

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Jersey
Where might I find that it is permissible to enter a box or permapost without a connector?
I was wondering about how uf can enter into a permapost (or postlight) without a connector and if you can also enter it with a conduit ( like parking lot lighting) and no connector
I'm also wondering if a FS or plastic box for a receptacle can be installed on a permapost.
Lastly, I'm wondering if I run a UF below grade to a wall and come up to feed a FS box for a receptacle, I'd like to sleeve the UF through pvc to the box. Would I need to a) UF connector in the box and sleeve the UF through the PVC which enters the ground? b) pvc connector into the box, pvc into pvc connector. pvc into ground, pvc to threaded coupling, uf connector in ground in thread of coupling, sleeve UF. OR c) can I pvc connector into the box, pvc from connector into ground, and just sleeve the UF up the pvc entering the box without a UF connector on the PVC, the same way as a UF enters a permapost or postlight?

Thank you
 
Shortened question.
Can a direct burial cable exit the earth sleeved through a pvc conduit attached to a box with no clamping connector squeezing or clamping the direct burial cable?
thank you.
 
Generally, you only need to clamp or secure where the cable enters the conduit. To me, a direct buried cable is secured and supported in the dirt. So the dirt is the clamp. Some could argue you need a bushing or end bell, but the jacket on UF is pretty tough. Much tougher than normal NM. I just do a good job with the deburring tool or countersink.
 
The question is how to comply with the last sentence of 314.17(B) or (C). For metal boxes "Where raceway or cable is installed with metal boxes or conduit bodies, the raceway or cable shall be secured to such boxes and conduit bodies." For non-metallic boxes "In all instances, all permitted wiring methods shall be secured to the boxes."

Cheers, Wayne
 
wwhitney said:
The question is how to comply with the last sentence of 314.17(B) or (C). For metal boxes "Where raceway or cable is installed with metal boxes or conduit bodies, the raceway or cable shall be secured to such boxes and conduit bodies." For non-metallic boxes "In all instances, all permitted wiring methods shall be secured to the boxes."

Cheers, Wayne
Click to expand...
So lets assume a normal metal wet location box. If you have cable inside a raceway, doesn't securing either the cable or the raceway to the box comply with the requirement? If you used just cable, you'd have to secure the cable. If just a raceway you'd secure the raceway.
 
Is it a raceway? If it's not a complete raceway system ( or however they put it ) would this pipe sleeve just be an extension of the box?
 
I'd say the mud and dirt when you fill in the trench around the cable 'secures' it.
 
I always have done a bushing at the end of the conduit 300.5(H) and per 300.5(J) sometimes you need to leave a little slack for natural freeze/ thaw wet / dry movement of the earth.
I would never use a cable clamp underground.
 
How is this different than an underground cable entering a sleeve to emerge into a wall-mounted box?
 
I don't know. But as far as I read 314.17(C) " In all instances, all permitted wiring methods shall be secured to the boxes".

Maybe what your referring to is a utility spec.? I know there's two utility companies in my area. One requires as per code the attachment hook to be under the service head. The other company's point of attachment is their drop screwed into the roof shingling above the head (I actually changed it to a hook below the head on a service upgrade and tared the roof. The utility inspector was ok with it. But looking up and down on the block EVERY drop was screwed into the roof)
 
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