National Electrical Code Articles and Information

Code Quiz: Article 354

Based on the 2014 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..

The Chapter Three Articles on wiring methods run in multiple series. Article 350 was the last in the sets of series about metallic conduits. Article 352 starts a series on nonmetallic conduits and after this series, a series of tubing starts with Article 358.

Nonmetallic conduits give you several advantages over metallic conduits. For example, you don't have to worry about ferrous induction and they don't oxidize (corrode) the way metallic ones do. On the other hand, a rodent can chew through nonmetallic conduit. And nonmetallic conduit has other disadvantages for given applications.

1. Article 354 is the eighteenth 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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