Art 517

[noel westphal]

If I am interpreting 517 correctly the only wiring method to a dentist chair underground in a cement slab would be a metal conduit with a redundant ground. No way PVC would be allowed. Am i correct?

 

[infinity]

Yes. You would need to follow the wiring methods listed in 517.13(A).

 

[noel westphal]

Thanks, I was pretty sure I was right!