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NEC Quiz: Article 90

Quiz Questions

Code Quiz: Article 90

Based on the 2005 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. He is a former editor of an electrical magazine were he edited Code articles.

1.      What is the purpose of the National Electrical Code?

2.      How close do you need to come to the the NEC when using it as a design guide?

3.      Does the NEC explain how to do good electrical work?

4.      Does the NEC address parking lots?

5.      Does ship maintenance fall under the NEC?

6.      Which of the nine Chapters cover general items?

7.      How do mandatory rules differ from permissive rules?

8.      The NEC contains many the fine print notes (FPNs). What's in these?

9.      How does a product's being Listed help the installer?

10.    Which measuring system does the NEC use--SAE or metric?

 

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How the NEC is arranged

  1. The first four Chapters of the NEC apply to all installations.
  2. Article 90 precedes Chapter One, and establishes the authority of the NEC.
  3. Article 80 follows the body of the NEC; it exists as Annex H. It provides the requirements for administration.
  4. Chapters 5, 6, and 7 are the "special" chapters, covering special: occupancies, equipment, and conditions (in that order).
  5. Chapter 8 provides the requirements for communications systems.
  6. Chapter 9 provides tables.
  7. The appendices provide mostly reference information.
  8. Appendix D contains examples that every NEC user should study.

 

 

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