National Electrical Code Articles and Information

Code Quiz: Article 250, Part 3

Based on the 2008 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. Should you ground electrically conductive materials and other equipment?
    

2. Is the earth an effective ground-fault current path?
    

3. Can you use terminal bars to connect grounding and bonding equipment?
    

4. Is it good to solder grounding or bonding connections?
    

5. When making a grounding connection to a panel, what requirement must you meet to ensure a good connection?