Where a fire-resistive system is listed to be installed in a raceway, the raceway enclosing the system is permitted to be which one of the following?
A) rigid metal conduit
B) intermediate metal conduit
C) metal-clad cable
D) a raceway that is listed as part of a fire-resistive system
Find the Answer
Answer: D
As noted in Sec. 728.5(C) of the 2014 NEC, where a fire-resistive system is listed to be installed in a raceway, the raceway enclosing the system shall be listed as part of a fire-resistive system. This also includes any couplings and connectors.
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 [email protected].