Thanks Greg, I will go take some pics and post them..Seems I read something in OSHA about metal clad switchgear over 600V had to be in RGS...we have a 115kV transformer stepped down to 13.8 kV...the risers and duct bank for the secondary to the metal clad switch gear is schedule 80 PVC..

The risers from the switchgear feeding out to the various transformers and electrical control rooms are pvc with RGS elbows and pvc risers...this is 13.8 and 4.16 kV..

Was thinking OSHA had requirements for circuits over 600VAC requiring steel conduit entering the metal clad gear..

Thank you,

Greg

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