National Electrical Code Articles and Information

Code Quiz: Article 300, 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 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. Can you splice conductors within a raceway (between boxes, outlets, etc.), or do they have to be continuous?
    

2. What's the wiring technique you must use when connecting neutrals to devices in multiwire circuits?
    

3. How long must a wire be when you're done pulling it into a box and cutting off the excess?
    

4. Can you weld a raceway into place?
    

5. Do vertical support requirements for conductors depend on the size of the conductors?

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