NEC Quiz: Article 342

by Mark Lamendola

Quiz Questions

Code Quiz: Article 342

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..

Unlike EMT, which is tubing but often erroneously called "conduit," Intermediate Rigid Conduit (IMC), actually is conduit. This is an important distinction, as conduit can be used in applications where tubing cannot. You can, for example, seal conduit. You can't seal tubing.

  1. Article 342 is the twelfth in a series of Chapter 3 articles addressing specific wiring methods. Which one does it address, and what are its defining characteristics?
     

  2. Name three permitted uses for this wiring method.
     

  3. Name the prohibited uses for this wiring method.
     

  4. What type hardware is permitted for supporting this wiring method?
     

  5. What restriction is there on using couplings and connectors with this conduit?

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