Code Quiz: Temporary Power Requirements

See if you can answer this true or false statement.
Dec. 24, 2019

True or False?

Statement: Temporary power is limited to 90 days in duration.

See the answer below.

Answer: False

Explanation: The 90-day limit is only for holiday decorative lighting and similar purposes. There is no specific time limit for temporary power installed for construction or emergencies and tests. However, all temporary wiring must be removed immediately upon completion of the purpose for which it was installed (Sec. 590.3).

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.

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