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

 
Branch-circuit markings

Color Coding, Self-Certification 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.
 Branch-circuit markings



READ MORE
 
Codes Working Together: NEC fault-current marking related to NFPA 70E


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.


READ MORE
 
General Installation Requirements, Part XV

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.


READ MORE
 
It's All About Workmanship

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


READ MORE
 
Branch Circuits And AFCIs, 70E's GFCI Requirements 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.
 Multiwire branch circuits and outlet-type AFCIs



READ MORE
 
General Installation Requirements, Part XIV

Article 110 in the National Electrical Code (NEC) contains requirements that cover a wide variety of topics.


READ MORE
 
Dry-type cast-resin transformer
Changes That Matter: Transformers

There are many types of transformers with just as many different uses.


READ MORE

Pages

X