National Electrical Code Articles and Information

Code Quiz: Article 410, Part 2

Based on the 2017 NEC

Questions and answers written by Mark Lamendola, who has worked as a master electrician, electrical inspector, and design engineer. Mark is an IEEE Senior Member, and the Code article author for Codebookcity.com. Since 1996, he has been writing National Electrical Code articles for electrical trade magazines and has an extensive portfolio of hundreds of NEC articles.

Article 410 provides the requirements for luminaires, lampholders, and lamps.

1. 410.10(A) provides requirements for luminaires in damp or wet locations. But five other kinds of other locations have requirements, too. Those are in 410.10(B) through (F). What are thoselocations?
   

2. What's the requirement for luminaires located near combustible material?
   
3. What's the requirement for luminaires located over combustible material?
   
4. What if a luminaire is both near and over combustible material?
   
5. If you want to install an externally wired luminaire in a show window, what attribute must that luminaire have?

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