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Tuesday, October 27, 2015

Question:

Re: CQD answer published Tuesday, October 20, 2015 -Grounding Vs Bonding Termination

Good Morning Charlie,

Thank you for your contributions to our industry and the answers to many questions. Just wanted to clarify that on Toby's question there could be some confusion if NEC article 250-104(A2) is construed to be an allowed GEC termination point as opposed to a water pipe bonding point. Just wanted to note the difference. Thank you for your time and shared knowledge.

Kelly Stockwill

A

Answer:

Hey Kelly thanks for the kind words and your comment, it is a good point to clarify. Section 250.104(A) applies to bonding of metal water piping systems and 250.104(A)(2) is specific to multiple occupancy buildings having isolated water piping systems. That condition wasn't mentioned in the original question and wouldn't change the rule for the grounding electrode conductor termination in 250.24(A)(1).

ABOUT CQD: The Code Question of the Day (CQD) is NECA and ELECTRICAL CONTRACTOR Magazine’s flagship National Electrical Code (NEC®) public forum for the industry, sponsored by EATON. The daily distribution of Q&A generates a lively dialogue and shares relative Code-based practical responses.

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CHARLIE TROUT: Charles M. Trout, better known as Charlie, was a nationally known NEC® expert and author. He served on several NEC® technical committees and is past chairman of CMP-12. In 2006 Charlie was awarded the prestigious Coggeshall Award for outstanding contributions to the electrical contracting industry, codes and standards development, and technical training. Even though Charlie passed away in October of 2015, his work continues in spirit. NECA continues to maintain this question forum for its many subscribers in memory and recognition of all his significant contributions to making the NEC what it is today.

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