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. 

The National Electrical Installation Standards (NEIS) are the only American National Standards Institute-approved performance and workmanship industry standards for electrical construction.

Branch-circuit markings


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.
 Branch-circuit markings


As Section 110.2 States, The National Electrical Code (NEC) provides installation requirements for electrical conductors and equipment that are either required or permitted to be installed. However, these conductors and equipment are only acceptable if the installation is approved.

The second article in the National Electrical Code (NEC), Article 100, contains definitions that are essential to the proper Code application. Article 110 contains many requirements that are essential to understanding and applying requirements located throughout the Code.

More on Codes & Standards

 
Powering Down Carefully

Safety for solar photovoltaic (PV) systems has come a long way since the first installation requirements were inserted as Article 690 into the 1984 National Electrical Code (NEC).


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Designing Safety

In the electrical industry, a new method of protecting workers from arc energy is gaining popularity: prevention through design. Simply speaking, the design and installation of equipment or systems incorporates inherent safety features that protect workers from serious arc-flash injuries or death.


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Type BX Cable, Hazard Warnings And More

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.
 Older Type BX cable and EGCs



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General Installation Requirements, Part V

Article 90 is the introduction to the National Electrical Code (NEC) book, and it includes specifications that are essential to understanding the chapters and informative annexes that follow. For example, Article 90 explains how to recognize mandatory rules versus permissive rules.


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Carrying A Powerful Message

During the recent 2017 National Electrical Code (NEC) first revision meetings in Hilton Head, S.C., a number of public inputs were submitted to introduce a new cabling system into Article 725 and Article 760.


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Constantly Changing

The development process of the 2017 National Electrical Code (NEC) has begun. In January, 19 Code-making panels (CMPs) held their “first draft” meetings to address roughly 4,000 public inputs (PIs). The NEC is primarily a reactive code that evolves through demonstrated need.


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The Right Fittings, Pump Feeders And More

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



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