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NEC Quiz: Article 285

Quiz Questions

Code Quiz: Article 285

Based on the 2008 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. How does Article 285 differ from Article 280?
     

  2. Where is use of a surge protective device (SPD) prohibited?
     

  3. What's the minimum conductor size?
     

  4. Can you connect an SPD across two current-carrying conductors?
     

  5. Which Part of Article 205 must the SPD grounding connections conform to?

 

Answers to this quiz are here: Answers to this quiz

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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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