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NEC Quiz: Article 250, Part One

Quiz Questions

Code Quiz: Article 250, Part 1

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 topic of Article 250?
     

  2. What's an effective ground current path?
     

  3. What's a ground fault?
     

  4. What's a ground fault current path?
     

  5. Give an example of a ground fault current path.

 

 

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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