Code Q&A: Permitted Uses of LFMC

Aug. 12, 2021

Test your Code knowledge.

Mike Holt

Courtesy of www.MikeHolt.com

Based on the 2020 NEC. Underlined text indicates a change in the 2020 NEC.

Q. What are the uses permitted by the NEC for Type LFMC?

See answer below.

A. Listed LFMC is permitted, either exposed or concealed, at any of the following locations (Sec. 350.10):

(1) If flexibility or protection from machine oils, liquids, vapors, or solids is required.

(2) In hazardous locations as permitted in Chapter 5.

(3) For direct burial, if listed and marked for this purpose.

(4) Conductors or cables rated at a temperature higher than the listed temperature rating of LFMC may be installed in LFMC, provided the conductors or cables are not operated at a temperature higher than the listed temperature rating of the LFMC per Sec. 110.14(C).

These materials are provided to us by Mike Holt Enterprises in Leesburg, Fla. To view Code training materials offered by this company, visit www.mikeholt.com/code.

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.