NEC Quiz: Article 240

by Mark Lamendola

Quiz Questions

Code Quiz: Article 240

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. What is the minimum size OCPD (OverCurrent Protection Device) that must be installed on a fire pump?
     

  2. Do specific applications have specific overcurrent protection requirements?
     

  3. What are the two conditions permitted for purposes of electrical system coordination?
     

  4. OCPDs must be protected in one of two ways. What are they?
     

  5. Under what two conditions can you not use series ratings?

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