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Charlie we are having a discussion in the shop about metal boxes having to be listed. Is that right? I can't find a specific requirement for that.
Hey Amy thanks for your question. There is no general rule that all metal boxes be listed although many are. Construction specifications in Part III of Article 314 support that concept and pull boxes are often fabricated for specific applications.
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ABOUT CHARLIE: 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. Charlie was also a member of NECA’s Academy of Electrical Contracting. Charlie’s experienced team of industry experts keep the CQD dialogue and discussions active and informative in the spirit of the man himself, as he wanted.
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