Code Quiz: Support Wire Requirements in Suspended Ceilings

When installing an enclosure (such as a 4 x 2 1/8 in. square metal box) above a suspended ceiling by means of support wires, the enclosure shall be secured using _________.  The support wires shall be _____ within the ceiling cavity.

A. approved methods / taut

B. identified methods / taut

C. cable ties / tied tight

D. No. 9 wire / connected

Find the Answer

Answer: B

As noted in Sec. 314.23(D)(2) of the 2011 NEC, the enclosure shall be secured using identified methods and the support wires used to support the enclosure shall be installed so as to be taut within the ceiling cavity.

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].