National Electrical Code Articles and Information

Code Quiz: Article 314, Part 2

Based on the 2011 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..

1. "Boxes and conduit bodies shall be of sufficient space to...." To what?
    

2. What table has metal box dimensions?
    

3. What about nonmetallic boxes?
    

4. When you're calculating box fill, what allowances do you make for small fittings such as locknuts and bushings?
    

5. If multiple equipment grounding conductors enter a box, how do you allow for them?

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