Code Quiz of Day

Definition of a Stand-Alone System

April 20, 2015

The provisions of Art. 690 apply to solar PV systems.

A stand-alone PV system supplies power in conjunction with and to supplement an electrical production and distribution network.

a) True
b) False

See answer and applicable Code reference

The correct answer is: b) False

The provisions of Art. 690 apply to solar PV systems. As noted in the definitions section (690.2) of this Article, a stand-alone system is "a solar PV system that supplies power independently of an electrical production and distribution network."

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.