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. 

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.

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.

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


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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Article 210 - Branch Circuits

210-4 Multiwire Branch Circuits

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Installing Cable TV in a Nursing Home Facility

As the Baby Boomers of our society reach their golden years, the need for more and more nursing home facilities will become imperative. Electrical contractors will be faced with the responsibility of properly installing many different sophisticated systems within these nursing homes.

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Adequate Short-circuit, Ground-fault, and Overload Protection

Continuing with our review of taps from branch circuits, Sec. 210-19 and from feeders, Sec. 240-21(b) and (c), we turn now to 240-21(d), which is a reference to Sec. 230-91, Service Conductors.

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Grounding in Patient Care Areas, Overcurrent Protection for Motors, and More

CODE CITATIONS Article 110—Requirements for Electrical Installations Article 210—Branch Circuits Article 250—Grounding Article 430—Motors, Motor Circuits, and Controllers Article 517—Health Care Facilities

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Overcurrent Protection, Grounding, Air Conditioning and Refrigerator Equipment, and More

CODE CITATIONS Article 240—Overcurrent Protection Article 250—Grounding Article 430—Motors, Motor Circuits, and Controllers Article 440—Air-Conditioning and Refrigeration Equipment Article 680—Swimming Pools, Fountains, and Similar Installations Overcurrent protection

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