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. 

Working the day-to-day, it's sometimes easy to forget that the codes and standards for the electrical industry are living documents that change regularly to accommodate current technologies and trends as well as to better achieve their respective goals.

U.S. Department of Energy (DOE) building energy codes were put into effect in the 1970s. Between 1992 and 2012, they have saved homeowners an estimated $15.6 billion.

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 2017 NEC.
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Available short-circuit current requirements were either added or changed in a number of locations in the 2017 National Electrical Code (NEC).

More on Codes & Standards

 
General Installation Requirements, Part VII

The first National Electrical Code (NEC) was developed in 1897. The National Fire Protection Association (NFPA) became the developer and publisher of the National Electrical Code (NEC) in 1911, and the NFPA continues to develop and publish the Code today.


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Duct And Cover

New text in section 424.66(A) of the 2014 National Electrical Code (NEC) covers working space for electrical enclosures of resistance heating-element-type duct heaters mounted on air-duct systems in limited-access areas.


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Motor Got Disconnected

For many years, The National Electrical Code (NEC) has provided rules for equipment disconnects. NEC requirements are very specific for motors and motor-driven machinery, but they differ from lockout/tagout rules in NFPA 70E, Standard for Electrical Safety in the Workplace. The reason is simple.


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Introducing Voltage Around the Pool Area

For decades, the National Electrical Code (NEC) prohibited underground wiring to be located under a pool and wiring for lighting fixtures in the zone that extends 5-feet horizontally from the inside wall of a pool.


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Designing Safety

In the electrical industry, a new method of protecting workers from arc energy is gaining popularity: prevention through design. Simply speaking, the design and installation of equipment or systems incorporates inherent safety features that protect workers from serious arc-flash injuries or death.


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EMT Support, Powering Up A Trailer 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.
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General Installation Requirements, Part VI

National Electrical Code (NEC) Article 110, “Requirements for Electrical Installations,” applies generally to all electrical installations, like all of the articles located in the first four chapters.


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