Code Quiz: Listing Requirements for Staples Securing AC, MC, and NM Cables
Based on the 2026 NEC.
Question: Are staples used to secure AC, MC, or NM cable required to be listed?
See answer below.
Answer: Yes
Reference: Section 320.2, Sec. 330.2, and Sec. 334.2
Explanation: Previously only the cables and the fittings were required to be listed, the .2 section of each article now requires cable ties, staples, straps, and hangers to be listed. Additionally, the .30 section of each article now specifies "listed staples" for securing & supporting these cables.
Lupacchino is a senior design engineer with Gaylor Electric, Inc. in Noblesville, Ind. and serves as an alternate on NEC Code-Making Panel No. 3. He is currently licensed in more than 80 jurisdictions. He can be reached at [email protected]
About the Author
John Lupacchino
Senior Design Engineer
John began his career in electrical construction as an apprentice and worked his way through the trade. He is currently licensed in more than 80 jurisdictions. With more than 35 years of experience, he now plays a vital role in Gaylor Electric’s Engineering Department, where he serves as a senior design engineer. With a focus on design engineering, quality assurance, and code compliance, he has earned the highest level of respect from industry professionals alike. John currently serves as an alternate on NFPA 70 Code Making Panel No. 3. In addition, he enjoys sharing his electrical knowledge through education. As an Associated Builders and Contractors instructor, he continues to help grow a new generation of high-performing construction leaders.