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.
 Tape over device terminal screws?


Storage batteries are used for many different types of electrical equipment throughout the National Electrical Code (NEC). The phrase “storage batteries” occurs in 13 locations in the NEC index. In addition, Article 480 is devoted to the installation requirements for storage batteries.


All of the first eight chapters in the National Electrical Code (NEC) contain at least five articles except one. Chapter 1, General, contains only two articles. The first, Article 100, contains definitions essential to the proper application of the NEC.

When incorporating larger feeders or branch circuits into equipment, many commercial and industrial electrical designs require use of parallel arrangements.

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Swimming Pools, Electric Ranges and More

Article 250—Grounding and Bonding; Article 517—Health Care Facilities; Article 680—Swimming Pools, Fountains, and Similar Installations; Article 700—Emergency Systems; Article 702—Optional Standby Systems; Various parts of the 2006 edition of Guide Information for Electrical Equipment (White Book) p


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NECA's Handprints All Over 2008 Code

The 2008 edition of the National Electrical Code (NEC)was approved last month at the National Fire Protection Association (NFPA) World Safety Conference & Exposition in Boston.


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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.


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2008 National Electrical Code Approved

The 2008 National Electrical Code (NEC) was approved in June at the annual meeting of the National Fire Protection Association (NFPA) in Boston.


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Class 2 and 3 Circuits

Class 2 and 3 circuits are defined as the portion of the wiring system between the power source and the connected equipment.


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