Codes & Standards

 

Essential to the work of the electrical contractor is knowledge of the National Electrical Code, the National Electrical Installation Standards and additional standards and codes administered by the National Fire Protection Association, the Occupational Safety and Health Administration and others. Here is a list of all our articles on codes and standards listed chronologically by issue date. 

Jim Dollard has an extensive background in codes and standards. If you have a query about the National Electrical Code (NEC), Jim will help you solve it. Send questions to codefaqs@gmail.com. Answers are based on the 2017 NEC.
 NFPA 99 and Article 700


Terminology is the vocabulary of technical terms and usages appropriate to a particular trade, science or art. Does it matter what we call something in the National Electrical Code (NEC)?

Article 110 in the National Electrical Code (NEC), covers general requirements for the examination and approval, installation and use, access to and spaces about electrical conductors and equipment; enclosures intended for personnel entry; and tunnel installations. It contains five parts.


Ground-fault protection of equipment (GFPE) provides protection from devastating arcing events and destructive arcing burn-downs. National Electrical Code (NEC) sections 215.10, 230.95, 240.13 and 517.17 provide GFPE requirements, and Article 100 defines it.


More on Codes & Standards

 
Significant Changes for the 2008 NEC -Part 2

There were 3,688 proposals for changes to the National Electrical Code (NEC) and approximately 2,500 comments processed by National Fire Protection Association staff at NFPA headquarters in Quincy, Mass. The following is part two in a series of significant changes for the 2008 NEC.


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NECA's Revised Standard for Installing and Maintaining Switchboards

The National Electrical Contractors Association (NECA) published NECA 400-2007, Standard for Installing and Maintaining Switchboards(ANSI).


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Bonding of Pool Water

There are times when an idea seems to take on a life of its own, and bonding of swimming pool water seems to be one of those. This idea was proposed for the 2005 National Electrical Code (NEC), passed at the proposal stage and was soundly rejected at the comment stage.


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Knowledge Beats Experience

Recently, I received a call from an electrician friend who wanted to know how to determine the difference between a raceway, nipple and sleeve, and this individual has been an electrician for 20-plus years.


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AFCI Circuit Breaker, UF Cable Temperature Rating and More

Article 210—Branch Circuits; Article 240—Overcurrent Protection; Article 250—Grounding and Bonding; Article 334—Nonmetallic-Sheathed Cable: Types NM, NMC, and NMS; Article 340—Underground Feeder and Branch-Circuit Cable: Type UF; Article 406—Receptacles, Cord Connectors, and Attachment Plugs (Caps);


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