Code Quiz: Raceway Seal Requirements

May 18, 2017
NEC guidelines for sealing raceways

Fill in the blank. In accordance with Sec. 300.5(G), raceway seals are required in conduits or raceways through which moisture may contact live parts. The conduits or raceways shall be sealed or plugged at either or both ends. This requirement also applies to _______ raceways.

A) spare
B) unused
C) spare or unused
D) None of the above

Find the Answer

Answer: C

As per Sec. 300.5(G) of the 2017 NEC, “Conduits or raceways through which moisture may contact live parts shall be sealed or plugged at either or both ends. Spare or unused raceways shall also be sealed. Sealants shall be identified for use with the cable insulation, conductor insulation, bare conductor, shield, or other components.”

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].

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Steven Owen

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