Based on the 2020 NEC.
Q. What are the Code rules for the connection of range hoods by means of flexible cords?
See answer below.
A. As noted in Sec. 422.16(B)(4), range hoods can be cord-and-plug‑connected if all of the following conditions are met:
(1) The flexible cord for the range hood terminates with a grounding-type attachment plug. Exception: A listed range hood marked as protected by a system of double insulation is not required to be terminated with a grounding‑type attachment plug.
(2) The length of the flexible cord for the range hood is not permitted to be less than 18 in. or longer than 48 in.
(3) The receptacle for the range hood must be located to protect against physical damage to the flexible cord.
(4) The range hood receptacle must be accessible.
(5) The range hood receptacle must be supplied by an individual branch circuit.
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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.