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Tuesday, May 10, 2022

Question:

Hello CQD,

Thanks for providing this informative service, it’s part of my morning ritual now. I must object to Tuesday’s answer since due to the condition present, the question can be interpreted in two ways. Of the 3 different conditions encountered, what’s the minimum working space. (36 inches) What’s the minimum clear distance based on the actual condition present. (unknown, not enough information given).

Regards,

Patrick Daniell

A

Answer:

Hi Patrick,

Thanks for the follow-up. You answered your own follow-up question. There was not enough information provided related to which condition was present at the equipment. We really try not to speculate or read more into the questions submitted and answer them on face value. Therefore, the minimum working space required would be 3 feet. If the equipment was in condition 2 with a grounded surface, the minimum would be 3 foot, 6 inches. If the equipment was in a condition 3, the minimum working space would be 48 inches. Hope this is useful. 

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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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