National Electrical Installation Standards

Standards as High as Your Own

The National Electrical Code is the bedrock of the electrical construction business.

Do you know all the ins and outs of the Code? NECA and Electrical Contractor magazine are pleased to present their daily online feature, “Code Question of the Day.”


  • ?
    Friday, May 25, 2018

    Question:

    Changing 200 amp panel located 7’ from the meter base, requires an exterior safety switch. The new panel is a main breaker, does the safety switch have to fused or can it be non fused?

    Pete McCarthy

  • ?
    Thursday, May 24, 2018

    Question:

    Re: CQD answer published Monday, May 14, 2018 -Support vs Secure

    In regards to your answer for Friday, May 11, 2018 concerning securing and supporting of Type MC cable, I would like to quote the great Phil Simmons. Phil would say it’s like riding in a car. The seat supports you, but the seat belt secures you in the car. The framing members are the car seat, and a listed strap is the seat belt.

    Regards, L. Keith Lofland

    A

    Answer:

    Hey Keith thanks for your comment it is good to hear from you. Great example, thanks for sharing. Much better than waking up being supported by the ground and secured by handcuffs.

ABOUT CQD: NECA’s Code Question of the Day (CQD) is a leading National Electrical Code® forum for NECA and the industry. The CQD generates a lively dialogue and relative practical and Code-based responses to an ever-increasing and interactive audience.

IMPORTANT NOTICE: All answers are based on the latest edition of the National Electrical Code®, unless the question requests a response based on a specific edition. This correspondence is not a formal interpretation of the NEC®. Any responses expressed to the questions are opinions and do not necessarily represent the official position of NECA, NFPA, or any technical committee. In addition, this correspondence is neither intended, nor should it be relied upon, to provide professional consultation or services.

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.

NECA STANDARDS: NECA publishes the National Electrical Installation Standards™ (NEIS™), a series of ANSI-approved performance and quality standards for electrical construction. Visit NECA-NEIS.org for more information. NEISÔ can be purchased in three formats: as paper books, on CD, or as electronic downloads.

NECA SAFETY PRODUCTS: NECA publishes valuable electrical safety books and CDs for the industry. Visit necanet.org/store to view or purchase NECA safety products.

CONTACT US: To submit a Code question, subscribe, or unsubscribe from this list, please e-mail: codequestion@necanet.org.