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.
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Designing and installing specialized electrical equipment with the intent of reducing the incident energy of an arcing fault was first introduced in 240.87 of the 2011 National Electrical Code (NEC) and was further refined in the 2014 NEC.

Thousands of public inputs (formerly proposals) are usually submitted for revising the next edition of the National Electrical Code (NEC). With some editions, there are global, Code-wide changes.

During the mid-1990s, the National Electrical Contractors Association (NECA) made a major effort to develop electrical installation standards for the electrical construction industry. The initial work included the creation of NECA 1, Standard for Good Workmanship in Electrical Construction.

More on Codes & Standards

 
Keeping Your Distance, Termination Issues And More

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. Questions can be sent to codefaqs@gmail.com. Answers are based on the 2014 NEC.
 Communications cable and 300.4(E)



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General Installation Requirements, Part XVIII

Understanding the third article of the National Electrical Code (NEC), Article 110, Requirements for Electrical Installations, is essential to having a Code-compliant installation of the electrical system. 



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The Ins And Outs Of Safety

In March, I attended a Central Arizona Chapter International Association of Electrical Inspectors (IAEI) meeting. A discussion ensued about the growing number of improperly installed and uncertified light-emitting diode (LED) retrofit lighting kits.


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Slash-rated breakers on 480V ungrounded delta?

Slash-Rated Breakers, Trade Show Dilemma And More

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. Questions can be sent to codefaqs@gmail.com. Answers are based on the 2014 NEC.
 Slash-rated breakers on 480V ungrounded delta?



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General Installation Requirements, Part XVII

Article 110 in the National Electrical Code (NEC) contains general requirements for electrical installations. Some of the topics covered include examination and approval, installation and use, and access to and spaces about electrical conductors and equipment.



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What's Cooking? GFCI Protection for Kitchens, Nondwelling Applications

A caller recently asked if all 125-volt (V), 15- and 20-ampere (A) receptacles in a commercial kitchen were required to be ground-fault circuit interrupter (GFCI) protected, even where part of a listed assembly.


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Disadvantages And Regulations: Code Rules for Ungrounded Systems

The decision to install and operate an ungrounded system is typically a combined effort that includes a design or engineering team, the owner, the operators and sometimes the authority having jurisdiction.


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