NEC Quiz: Article 314, Part 4 Answers

by Mark Lamendola

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  1. Sufficient space for all enclosed conductors [314.16].
     

  2. In no case [314.16].
     

  3. Yes, in fact you can also count the space provided by domed covers, extension rings, and anything else that effectively increases the volume of the box [314.16(A)].
     

  4. Use the volume in Table 314.16(A).
     

  5. Look for the volume on the box. If the box isn't legibly and durably marked with the volume, you can't use it [314.16A)].