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.
 Receptacles and EGC connections


The 2017 National Electrical Code (NEC) will feature the new Article 691, which covers nonutility company, large-scale photovoltaic (PV) electric supply stations with generating capacities of at least 5,000 kilowatts (kW).

One way to help safeguard people from hazards arising from electricity use is to ensure there is sufficient working space in front of and around electrical equipment.

This article is part 2 in a series that examines some of the more significant revisions and new requirements in the 2017 National Electrical Code (NEC). This piece reviews some significant changes in Articles 100 and 110.
 Article 100­—Definitions


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.


READ MORE
 
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.


READ MORE
 
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


READ MORE
 
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


READ MORE
 
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


READ MORE

Pages