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. 

Temporary power use


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.
 Temporary power use


For years, Article 516 of the National Electrical Code (NEC)— covering spray applications, dipping and coating processes using flammable liquids, combustible liquids and combustible powders—did not seem to change much, if at all.

National Electrical Code (NEC) sections 90.5(A) and (B) explain how to recognize mandatory rules and permissive rules. In accordance with 90.5(A), mandatory rules identify actions that are specifically required or are specifically prohibited.

Life is full of surprises, and so is the 2018 edition of NFPA 70E. After years of requiring specific information on arc flash equipment labels, as listed in 130.5(H1) through (H3), the 2018 edition has introduced Exception No.

More on Codes & Standards

 
2017 NEC: Wiring And Protection—Significant Changes in the 2017 NEC, Part 3


This article is the third part in a series that provides a review of the more significant revisions and new requirements included in the 2017 edition of the National Electrical Code (NEC).


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Free Webinar: 2017 NEC Significant Changes in Review, Parts 1 and 2

Sponsored by Fluke and Siemens Every three years, the National Electrical Code is updated to reflect the newest installation practices utilized by the electrical industry, bringing about hundreds of changes to the code.


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Three Years Later …

It seems like we just finished working on the 2016 NFPA 72, National Fire Alarm and Signaling Code, but the deadline to submit public inputs for the 2019 edition was June 29.


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Wired Connections, Fireproofing Requirements 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.
 Receptacles and EGC connections



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A New Look At PV Supply Stations

The 2017 National Electrical Code (NEC) will feature the new Article 691, which covers nonutility company, large-scale photovoltaic (PV) electric supply stations with generating capacities of at least 5,000 kilowatts (kW).


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General Installation Requirements, Part XX

One way to help safeguard people from hazards arising from electricity use is to ensure there is sufficient working space in front of and around electrical equipment.


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2017 NEC: Definitions And Requirements—Significant Changes in the 2017 NEC, Part 2


This article is part 2 in a series that examines some of the more significant revisions and new requirements in the 2017 National Electrical Code (NEC). This piece reviews some significant changes in Articles 100 and 110.
 Visit www.ecmag.com/2017-NEC-significant-changes for this full series.



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