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. Questions can be sent to codefaqs@gmail.com. Answers are based on the 2014 NEC.
 Panelboards in cabinets?


Electrical overcurrent protective system Coordination can be complex and daunting. It is best approached with knowledge of the basics and proper system design.

Without very specific National Electrical code (NEC) rules for determining the right size conductor and the correct size overcurrent protective device, a conductor could overheat and even start a fire.

This article is part 4 in a series that reviews some of the more significant revisions and new requirements in the next National Electrical Code (NEC).

More on Codes & Standards

 
Working Space

How to determine requirements—Part 1 The requirements in 110.26(A)(1) through (A)(3) of the National Electrical Code (NEC) deal with Code-prescribed “working space” at electrical equipment—requirements that in most instances are considered by designers, installers and inspectors as eyeball situation


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Baseboard Heater Disconnect, Swimming Pool Bonding and More

Article 110—Requirements for Electrical Installations; Article 230—Services; Article 250—Grounding and Bonding; Article 517—Health Care Facilities; Article 680—Swimming Pools, Fountains, and Similar Installations; Article 700—Emergency Systems; The 2006 edition of the Guide Information for Electrica


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NFPA Moves to Streamline National Electrical Code Process

The National Fire Protection Association (NFPA) has revised its procedures to streamline approval of the National Electrical Code (NEC) at the association’s annual meeting, scheduled for June 4–7, 2007, in Boston.


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Big Rigs Getting a Good Night's Rest

From both a global environmental and an economic point of view, New Article 626 may be one of the most exciting concepts to ever be proposed for the National Electrical Code (NEC); the proposed electrified truck parking space equipment will provide telephone connections, cable and power for televisi


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The Web of Code Requirements

So I finished pulling a three-phrase feeder to a power panel, No.


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