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. 

Each new edition of the National Electrical Code (NEC) brings change typically driven by the desire for electrical safety improvements for people and property. The Code provides the minimum requirements for safe electrical installations.

Every three years, the National Electrical Code (NEC) is updated to reflect the newest installation practices utilized by the electrical industry, bringing about hundreds of revisions and new rules to the code.After a successful webinar series in the fall of 2016, we're revisiting the topic in a sin

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.

More on Codes & Standards

 
Settling Disagreements

Recently, an inspector and contractor called me concerning a 277/480-volt feeder circuit that was designed to comply with the 2008 National Electrical Code (NEC) and supplied a building from the service equipment located in a substation switchboard room.


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Disconnects for Branch Circuits, Deep Fryers and More

Article 100—Definitions; Article 210—Branch Circuits; Article 250—Grounding and Bonding; Article 334—Nonmetallic-Sheathed Cable: Types NM, NMC, NMS; Article 422—Appliances; Article 680—Swimming Pools, Fountains, and Similar Installations; The 2007 Guide Information for Electrical Equipment Directory


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Adopting the NEC

As the 2008 edition of the National Electrical Code (NEC) nears adoption by jurisdictions across the country and beyond, there are rising concerns about changes and additional new requirements.


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Residential Wiring

Here’s the second part of a series reviewing the most popular questions that have appeared in NECA’s online Code Question of the Day and have generated the most comments from the subscribers.


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Significant Changes for the NEC 2008

There were 3,688 proposals for changes to the National Electrical Code (NEC) and 2,349 comments processed by the National Fire Protection Association (NFPA) staff at NFPA headquarters in Quincy, Mass. The following is part five in a series of significant changes for the 2008 NEC.


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AFCI Basics

Arc-Fault Circuit Interrupter (AFCI) protection has been a requirement since the 1999 National Electrical Code (NEC), starting as protection for receptacles in bedrooms and then progressing to protection of all outlets in bedrooms with changes in later Code cycles.


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