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 2017 NEC.
 OCPD for a fire pump


Some regular National Electrical Code (NEC) users may not have noticed major changes in the 2014 and 2017 editions dealing with the emergency and standby power requirements in Article 700, Emergency Systems; Article 701, Legally Required Standby Systems; and Article 702, Optional Standby Systems.

As stated in 90.1(A) of the National Electrical Code (NEC), the purpose of the Code is the practical safeguarding of people and property from hazards arising from the use of electricity.

This article provides a review of more significant changes to the rules for special equipment covered in Chapter 6, Special Equipment, of the 2017 National Electrical Code (NEC).
 600.2 Definitions and 600.34 
PV Powered Signs


More on Codes & Standards

 
Voltage Between Adjacent Devices

Occasionally, an electrical installation practice is discovered that is dangerous to both electrical maintenance personnel and the facility where it is located.


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Protecting Transformers

Protection for transformers rated 600 volts or less is determined by selecting one of three levels of full load current (FLC) found in Table 450.3(B) of the National Electrical Code (NEC). Levels are based on either primary protection only or by providing both primary and secondary protection.


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Electrode Conductors, AFCIs and More

Article 110—Requirements for Electrical Installations; Article 210—Branch Circuits; Article 250—Grounding and Bonding; Article 392—Cable Trays; Article 408—Switchboards and Panelboards; Article 517—Health Care Facilities; Article 680—Swimming Pools, Fountains, and Similar Installations; The 2006 ed


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NECA Standards Executive Director and Fiancee Missing

At approximately 2 pm on Friday, August 24, 2007, National Electrical Contractors Association (NECA) Standards Executive Director Brooke Stauffer and his fiancée, Karen Dodds, went missing as she flew her small, single-engine plane over Lake Huron.


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Significant Changes for the 2008 NEC -Part 2

There were 3,688 proposals for changes to the National Electrical Code (NEC) and approximately 2,500 comments processed by National Fire Protection Association staff at NFPA headquarters in Quincy, Mass. The following is part two in a series of significant changes for the 2008 NEC.


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NECA's Revised Standard for Installing and Maintaining Switchboards

The National Electrical Contractors Association (NECA) published NECA 400-2007, Standard for Installing and Maintaining Switchboards(ANSI).


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