National Electrical Code Articles and Information

Code Quiz: Article 430, Part 7

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 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.

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 VII provides the requirements for what part of a motor installation?

2. Can you use a molded case circuit breaker as a motor controller?
   
3. True or false: A motor controller must open all conductors on the motor.
   
4. True or false: A motor controller can serve a maxium of six motors.
   
5. Three types of machines must have speed limitation. Is one of those "series motors?"

Answers to this quiz are here: Answers to this quiz

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