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 Answers are based on the 2014 NEC.

Article 110 OF the National Electrical Code (NEC) covers general requirements for the examination and approval, installation and use, access to and spaces about electrical conductors and equipment; enclosures intended for personnel entry; and tunnel installations.

Ambient temperature correction adjustments relating to conduits exposed to sunlight on rooftops were inserted into the 2008 National Electrical Code (NEC) as new subsection 310.15(B)(2)(c) with accompanying Table 310.15(B)(2)(c).

This article is the third part in a series that provides a review of the more significant revisions and new requirements included in the 2017 edition of the National Electrical Code (NEC). This part provides a review of some significant changes in the articles in Chapter 2, Wiring and Protection.

More on Codes & Standards

More than Just a 'Gas' Station

The NEC changes to account for new fuels

Branch Circuits--Required Receptacle Outlets, Part XI

210.62 Show Windows Requirements specifying the placement of receptacle outlets are covered in 210.52 through 210.63. The majority of these provisions pertain to dwelling units.

Supplying Emergency Lighting, Swimming Pool Pump Motors and More

CODE CITATIONS Article 110 Requirements for Electrical Installations

A Quick Means of Egress - Necessary Updates To 2002 Code

It is extremely important to provide a safe and clear means of egress from electrical equipment and to ensure a worker’s ability to quickly exit an area during an electrical explosion and fire. The 2002 National Electrical Code (NEC) has added some necessary requirements to provide that safety.

New User's Guide to NEC Published

"Bethesda, MD - Brooke Stauffer, executive director for standards and safety at the National Electrical Contractors Association (NECA), has written an authoritative new reference book just published by the developer of the NEC®.

Article 210: Branch Circuits

210.52(C)(5) Receptacle Outlet Location Provisions stipulating the placement of receptacle outlets are covered in 210.52 through 210.63. Requirements for placing receptacles in dwelling units are located in 210.52(A) through (H).

Electrocution in a Water Fountain

In June 1978, at a South Carolina resort, a young woman wearing only a bathing suit was observed in the early evening stepping into an illuminated water fountain. The fountain was circular with a diameter of 16 feet and a maximum depth in the center of about one foot.