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.
 Threadless couplings


Article 110 in 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 (110.1).

My daughter, Trina Bogart, is an emergency department doctor. She recently emailed me a seemingly simple question. However, when I went to the 2014 National Electrical Code (NEC), I realized it was actually more complicated.

Service equipment must have an interrupting rating or short-circuit current (SCC) rating equal to or greater than the amount of available fault current supplied.

Electrical Contractor Magazine

More on Codes & Standards

 
All Shook Up

Seismic requirements for electrical installations Concern about earthquakes and their impact on buildings and facility operation is no longer limited to those regions of the United States, such as the West Coast, where seismic activity is common.

READ MORE
 
Do You Know Charlie?

 Get the wit and wisdom of NEC guru Charlie Trout delivered right to your email every day with the NEIS Code Question of the Day. Subscribe online or check out today’s question and yesterday’s answer.    

READ MORE
 
Evolution of AFCIs and the <i>NEC</i>

ARC-FAULT CIRCUIT INTERRUPTERS (AFCIs) first made their appearance in the National Electrical Code (NEC) in 1999, with a mandatory effective date of Jan. 1, 2002. Research—conducted by Underwriters Laboratories Inc. (UL) for the U.S.

READ MORE
 
From Installer to Specifier

It’s hard to believe that electrical contractors still carry the “installer of product” stigma—especially when an ELECTRICAL CONTRACTOR report indicates that design/build projects account for 46 percent of contractor revenue.

READ MORE
 
Out of the Shadows

Imagine an electrical contractor meeting a homebuyer at the builder’s sales office. The contractor walks through the plans for the new house and asks the homeowner for a description of his lifestyle, the way he wants to use his home, what he expects it to be able to do.

READ MORE
 
From Concept to Punch List

Design/build has grown from 5 percent of nonresidential construction 20 years ago to more than 40 percent today.

READ MORE

Pages