Conduit Fill required for a bend and stub up?

[ElectricPersonality]

If you transition to a PVC schedule 80 elbow and PVC schedule 80 stub up at your underground conduit fed equipment from schedule 40 for the long horizontal run in the ground, does the conduit fill calculation have to be based on schedule 80? I don't see any exceptions to the 40% fill requirements unless you have a short nipple.

 

[sameguy]

Will the wire go through the pipe? I would go with the requirements of the small id..

 

[Sierrasparky]

If you transition to a PVC schedule 80 elbow and PVC schedule 80 stub up at your underground conduit fed equipment from schedule 40 for the long horizontal run in the ground, does the conduit fill calculation have to be based on schedule 80? I don't see any exceptions to the 40% fill requirements unless you have a short nipple.

Will the wire go through the pipe? I would go with the requirements of the small id..

I would think that technically speaking you would be required to use the smallest conduit in the run for fill requirements.

 

[infinity]

I would think that technically speaking you would be required to use the smallest conduit in the run for fill requirements.

I agree, you would take the smallest id and use that for the fill calculation for the entire conduit run. The 60% fill for a nipple is permitted because of a lesser likelihood of damaging the conductors during installation due to its short length.

 

[GoldDigger]

I agree, you would take the smallest id and use that for the fill calculation for the entire conduit run. The 60% fill for a nipple is permitted because of a lesser likelihood of damaging the conductors during installation due to its short length.

Its short length and your access to both ends. The stub up may be just as short, but you have no direct access to its far end to maneuver the wire.

 

[infinity]

Its short length and your access to both ends. The stub up may be just as short, but you have no direct access to its far end to maneuver the wire.

Yes that's what I was saying. If you have a short nipple of 24" or less there's not much chance of damaging the conductors even with 60% fill.