Code Quiz of Day

Electrical Connection Marking Requirements

April 15, 2015

Section 110.14 of the 2014 NEC focuses on electrical connections.

Many terminations and equipment are either marked with ______, or have that information included in the product’s installation instructions.

a) an etching tool
b) a removable label
c) a tightening torque
d) the manufacturer's initials

See answer and applicable Code reference

The correct answer is: c) a tightening torque

Article 110 outlines the general requirements for all electrical installations. Section 110.14 focuses on electrical connections. As noted in the Informational Note at the end of this section, "Many terminations and equipment are either marked with tightening torque or are identified as to tightening torque in the installations provided."

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.