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National Electrical Code Articles and Information

NEC Quiz: Article 300, Part 4

by Mark Lamendola

Quiz Questions

Code Quiz: Article 300, Part 4

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 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. When a raceway is installed in a wet location aboveground, its interior must be considered what?

  2. What must you do with metallic raceways that you don't have to do with nonmetallic ones?

  3. What does the NEC require, for you to use a ceiling grid to support raceway?

  4. For purposes of raceway support, does it matter if the installation is in a fire-rated assembly?

  5. Can you hang PA system wiring from metallic tubing or conduit, if it's one inch or greater in trade size?

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