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NEC Quiz: Article 314, Part 5

by Mark Lamendola

Quiz Questions

Code Quiz: Article 314, Part 5

Based on the 2011 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 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. When doing box fill calculations, you find five categories of fill type in 314.6(B). Are you supposed to pick the one that best fits the application, or do all the calculations and add them up?

  2. Each conductor that originates outside the box and terminates (or is spliced) within the box is counted once. But how do you count, if at all, each loop or coil of unbroken conductor?

  3. How do you count clamps and fittings, or do you?

  4. What kind of allowance do you make for a yoke or strap?

  5. What kind of allowance do you make for an equipment bonding or grounding conductor?

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