4160 in aluminum conduit

[Profish00]

Looking at a job that involves 4160 generator and the conduit is going to be a bugger to run. 710-04 is not clear on aluminum conduit and in the new book that section is gone. Is it acceptable to run 5kv 133% shielded in aluminum conduit and what section in the new code would it be found?

 

[Smart $]

Aluminum conduit is classified as a rigid metal conduit.

I don't see any issues relating to the cable in aluminum conduit with the information provided.

 

[weressl]

Looking at a job that involves 4160 generator and the conduit is going to be a bugger to run. 710-04 is not clear on aluminum conduit and in the new book that section is gone. Is it acceptable to run 5kv 133% shielded in aluminum conduit and what section in the new code would it be found?

Article 344

344.2 Definition.
Rigid Metal Conduit (RMC).​

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A threadable raceway of circular cross section designed for the physical protection and routing of conductors and cables and for use as an equipment grounding conductor when installed with its integral or associated coupling and appropriate fittings. RMC is generally made of steel (ferrous) with protective coatings or aluminum (nonferrous). Special use types are red brass and stainless steel.​

 

[Profish00]

Thanks, that helps alot

 

[Rockyd]

Am thinking better to use aluminum. Check the tables in Chapter 9 and look up Q factor.