Code Quiz of Day

Inspection of Manufactured Wiring Assembly

Sept. 12, 2014

The requirements in Art. 602 apply to field-installed wiring using off-site manufactured subassemblies for branch, remote-control, signaling and communication circuits in accessible areas.

Mike Holt

A manufactured wiring system is a system assembled by a manufacturer, which cannot be inspected at the building site without _____.

a) a permit
b) a manufacturer's representative present
c) damage or destruction to the assembly
d) an engineer's supervision

See answer and applicable Code reference

The correct answer is: c) damage or destruction to the assembly

The requirements in Art. 602 apply to field-installed wiring using off-site manufactured subassemblies for branch, remote-control, signaling and communication circuits in accessible areas. As noted in part of the definition section (604.2) of this Article, a manufactured wiring system contains component parts that are assembled in the process of manufacture and cannot be inspected at the building site without damage or destruction to the assembly.

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.