Code Quiz of Day

Grouping of Conductors for PV Systems

Oct. 1, 2014

PV system installation requirements are outlined in Sec. 690.4 of the 2011 NEC.

Where the conductors of more than one PV system occupy the same junction box or raceway with removable cover(s), the AC and DC conductors of each system shall be grouped separately by wire ties or similar means at least once, and then shall be grouped at intervals not to exceed _____.

a) 6 in.
b) 12 in.
c) 36 in.
d) 6 ft

See answer and applicable Code reference

The correct answer is: d) 6 ft

PV system installation requirements are outlined in Sec. 690.4 of the 2011 NEC. As noted in 690.4(B)(4), the grouping of conductors of more than one PV system occupying the same junction box or raceway shall be grouped at intervals not exceeding 6 ft.

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.