NEC Code Quandaries

Stumped by the Code? Rules for Supporting Wiring Systems Installed Above Suspended Ceilings

Your most pressing National Electrical Code (NEC) questions answered

All questions and answers are based on the 2017 NEC.

Q. What are the Code requirements for supporting wiring systems installed above suspended ceilings?

A. The ceiling‑support wires or ceiling grid aren’t permitted to be used to support raceways and cables (power, sign

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