Code Quiz: Surge Protection Devices for Dwelling Units

July 6, 2023

Test your knowledge of the NEC with this challenging question.

Based on the 2023 NEC.

Question: True or false? Dwelling units require surge protection devices.

See answer below.

Answer: True

Explanation: The requirement for surge protection at dwelling units was added to the 2020 NEC in Sec. 230.67 for all services supplying dwelling units. The 2023 NEC expanded those requirements to include dormitory units, guest rooms and guest suites of hotels and motels, and areas of nursing homes and limited-care facilities used exclusively as patient sleeping rooms. Requirements for surge protection were also added to Sec. 215.18 and Sec. 225.42 for any of these same locations that are supplied by a feeder.

Lupacchino is a senior design engineer with Gaylor Electric, Inc. in Noblesville, Ind. and serves as an alternate on NEC Code-Making Panel No. 3. He is currently licensed in more than 80 jurisdictions. He can be reached at [email protected]

About the Author

John Lupacchino | Senior Design Engineer

John began his career in electrical construction as an apprentice and worked his way through the trade. He is currently licensed in more than 80 jurisdictions. With more than 35 years of experience, he now plays a vital role in Gaylor Electric’s Engineering Department, where he serves as a senior design engineer. With a focus on design engineering, quality assurance, and code compliance, he has earned the highest level of respect from industry professionals alike. John currently serves as an alternate on NFPA 70 Code Making Panel No. 3. In addition, he enjoys sharing his electrical knowledge through education. As an Associated Builders and Contractors instructor, he continues to help grow a new generation of high-performing construction leaders.