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.
 Communications cable and 300.4(E)


Understanding the third article of the National Electrical Code (NEC), Article 110, Requirements for Electrical Installations, is essential to having a Code-compliant installation of the electrical system. 


In March, I attended a Central Arizona Chapter International Association of Electrical Inspectors (IAEI) meeting. A discussion ensued about the growing number of improperly installed and uncertified light-emitting diode (LED) retrofit lighting kits.

The National Electrical Code (NEC) contains the minimum requirements for a safe installation. One must do at least that much when installing electrical equipment and systems. This means understanding how to size electrical conductors of circuits, including the equipment grounding conductors (EGCs).

More on Codes & Standards

 
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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NECA Electrical Symbols Standard Now CAD-Compatible

"NECA 100-2006, Standard for Symbols for Electrical Construction Drawings” has been revised and updated. This ANSI-approved standard describes graphic symbols used to represent electrical wiring and equipment on construction drawings.


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At the Service Entrance

There are some issues involving installations in the National Electrical Code (NEC) that regularly generate considerable misunderstanding for installers, inspectors and engineers; recently, I was giving a workshop on the changes in the 2005 NEC, and as I was covering the change in Section 230.40, Ex


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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.


READ MORE

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