Q. When installing wiring from a fire pump controller to a fire pump motor, which of the following wiring methods is not permitted?

A) Liquidtight flexible nonmetallic conduit

B) Type MC cable with an impervious covering

C) Electrical metallic tubing (EMT)

D) Rigid metal conduit (RMC)

Answer: C

Explanation: As per 695.6(E), the only wiring method not permitted in this type of installation is EMT.

Owen is the owner and president of National Code Seminars and the holder of master electrician certifications in 46 states. He can be reached at necexpert@aol.com.