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Wednesday, April 26, 2017

Question:

Hey Charlie thanks for answering your questions here and shedding some light on these issues.

My question is considering g when building new construction all romex wiring must be passed in studs or in a cavity attic or shaft of some kind. Presumably to prevent a screw or what have you from penetrating them.

My question is in regards to the strapping on walls for the jiprock.  How is it legal to place wires in this void, right behind the jiprock, stapled to the surface of the studs between rows of strapping.  Typically the zone where they fish wires when renovating

J Sparx

A

Answer:

Hey J thanks for your question. If I understand it correctly it is not allowed. NM cable must be located 11⁄4 in from the edge of the framing member as stated in 300.4(D) to reduce the likelihood of damage from a fastener. Cables can be fished under the conditions stated in Exception 2 or protection must be provided as stated in Exception 1.

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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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IMPORTANT NOTICE: Unless the question requests a response based on a specific edition, all answers are based on the latest edition of NFPA 70® National Electrical Code®.

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