Code Q&A: Requirements for Securing and Supporting Raceways and Cable Assemblies

Feb. 9, 2023

Test your knowledge of the NEC.

Mike Holt

Courtesy of www.MikeHolt.com

Q. What are the requirements for securing and supporting raceways and cable assemblies?

See answer below.

A. Raceway and cable assemblies must be secured and supported per the requirements in Sec. 300.11.

(A) Secured in Place. Raceways, cable assemblies, and enclosures must be securely fastened in place.

(B) Wiring Systems Installed Above Suspended Ceilings. Ceiling-support wires or the ceiling grid are not permitted to support raceways or cables. Independent support wires secured at both ends can be used to support raceways or cables.

(2) Class 2 and 3 Circuits. Class 2 and 3 cables can be supported by the raceway that supplies power to the equipment controlled by the Class 2 or 3 circuits.

(D) Cables Not Used as Means of Support. Cables are not permitted to support other wiring methods.

These materials are provided to us by Mike Holt Enterprises in Leesburg, Fla. To view Code training materials offered by this company, visit www.mikeholt.com/code.

About the Author

Mike Holt

Mike Holt is the owner of Mike Holt Enterprises (www.MikeHolt.com), one of the largest electrical publishers in the United States. He earned a master's degree in the Business Administration Program (MBA) from the University of Miami. He earned his reputation as a National Electrical Code (NEC) expert by working his way up through the electrical trade. Formally a construction editor for two different trade publications, Mike started his career as an apprentice electrician and eventually became a master electrician, an electrical inspector, a contractor, and an educator. Mike has taught more than 1,000 classes on 30 different electrical-related subjects — ranging from alarm installations to exam preparation and voltage drop calculations. He continues to produce seminars, videos, books, and online training for the trade as well as contribute monthly Code content to EC&M magazine.