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NEC Quiz: Article 430, Part 8

by Mark Lamendola

Quiz Questions

Code Quiz: Article 430, Part 8

Based on the 2020 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.

Article 430 provides the requirements for motors, including the hermetic motors that also have additional requirements covered in Article 440. Many other articles also may apply to a given motor installation. Article 430 is the largest article in the NEC.

  1. Part VIII provides the requirements for what part of a motor installation?

  2. The ampere rating of the overcurrent protecticve device cannot exceed the rating of what MCC component?
  3. You must connect multisection MCCs together with what?
  4. What phase arrangement must you use 3-phase horizontal common and vertical power buses?
  5. How do you determine the spacings between MCC bus terminals and other bare metal parts?

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