Fill in the blank with the appropriate answer.
When installing intermediate metal conduit (IMC), elbows, couplings and fittings in corrosive environments, such as in concrete or direct contact in the earth or areas subject to severe corrosive influences, the IMC shall be protected by corrosion protection and _________________.
A. have a “CE” marking or equivalent painted on it.
B. be identified with an orange color.
C. judged suitable for the condition of use.
D. listed for wet locations.
Find the Answer
Answer: C
As noted in Sec. 342.10(B) of the 2014 NEC, the IMC and its associated fittings must be judged suitable for the condition. The authority having jurisdiction (AHJ) decides whether or not it is suitable (see 90.7).
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].
