Code Quiz: Article 398
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.
After Article 392, Chapter 3 winds down with a series of "oddball" Articles. The fourth one is also the penultimate one in Chapter 3. It's Article 398. This wiring method is still used, primarily because it's inexpensive compared to other methods. It's also ugly, so if appearance is a consideration this method is probably not for you.
Answers to this quiz are here: Answers to this quiz
See how you did!