National Electrical Code Articles and Information
Code Quiz: Article 100, Part 3
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. Since 1996, he has been writing National Electrical Code articles for electrical trade magazines and has an extensive portfolio of hundreds of NEC articles..
1. Briefly describe each of the 5 duty cycles.
2. What is a dwelling unit?
3. Briefly define each of the three types of dwelling units.
4. How do “energized” and “de-energized differ (per the NEC)?”
5. When something is “explosion-proof,” what does that really mean?
6. Is “exposed wiring” the same as “accessible wiring?” If not, why not?
7. What is the definition of "garage," in reference to Classified Locations?
8. Every overcurrent protection device has an interrupting rating. What does this rating mean?
9. How do “labeled” and “listed" differ?
10. Damp, dry, and wet are obviously different. What do each of these terms mean?
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