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. Send questions to codefaqs@gmail.com. Answers are based on the 2017 NEC.
 NFPA 99 and Article 700


Terminology is the vocabulary of technical terms and usages appropriate to a particular trade, science or art. Does it matter what we call something in the National Electrical Code (NEC)?

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. It contains five parts.


Ground-fault protection of equipment (GFPE) provides protection from devastating arcing events and destructive arcing burn-downs. National Electrical Code (NEC) sections 215.10, 230.95, 240.13 and 517.17 provide GFPE requirements, and Article 100 defines it.


More on Codes & Standards

 
Article 585: More Than Meets the Eye

The article could improve uptime of critical loads:


READ MORE
 
Big Rigs Getting a Good Night's Rest

From both a global environmental and an economic point of view, New Article 626 may be one of the most exciting concepts to ever be proposed for the National Electrical Code (NEC); the proposed electrified truck parking space equipment will provide telephone connections, cable and power for televisi


READ MORE
 
The Web of Code Requirements

So I finished pulling a three-phrase feeder to a power panel, No.


READ MORE
 
Pond Wiring, GFCI Receptacles and More

Article 110—Requirements for Electrical Installations; Article 210—Branch Circuits; Article 250—Grounding and Bonding; Article 314—Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; and Handhole Enclosures; Article 682—Natural and Artificially Made Bodies of Water; Article 695—Fire


READ MORE
 
Illuminated Fountains, Voltage Drop and More

Article 210—Branch Circuits; Article 240—Overcurrent Protection; Article 334—Nonmetallic-Sheathed Cable: Types NM, NMC and NNS; Article 422—Appliances; Article 440—Air Conditioning and Refrigerating Equipment; Article 647—Sensitive Electronic Equipment; Article 680—Swimming Pools, Fountains and Simi


READ MORE

Pages

X