National Electrical Code Articles and Information

Code Quiz: Article 312

Based on the 2011 NEC

Questions and answers written by 320320Mark Lamendola, who has worked as a master electrician, electrical 320320inspector, and design engineer. Mark is an IEEE Senior Member, and the 320320Code article author for Codebookcity.com. He is a former editor of an 320320electrical magazine were he edited Code articles.

1. 320320

   Article 312 consists of two Parts. Who is the target user of each 320320320part?
    

2. 320320

   What's the mounting requirement for surface-type enclosures in 320320320wet or damp locations, regardless of the type of enclosure used?
    

3. 320320

   What's the maximum setback distance from the front edge of an 320320320enclosure to the finished surface of the wall it's mounted in, if 320320320it's mounted in a wall made of noncombustible material?
    

4. 320320

   There's a commonly violated NEC requirement that pertains to 320320320openings in enclosures. What is it?
    

5. 320320

   The NEC requires a minimum bending space at terminals. Where do 320320320you find this space, and why is it specified?

320320

Answers to this quiz are here: Answers to this quiz

See how you did!