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. He is a former editor of an electrical magazine were he edited Code 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?