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 2014 NEC.
 Pull-through angle connectors?


Some photovoltaic (PV) inverter manufacturers have designed and built transformer-less inverters to add to their existing line of transformer-type inverters for installation in the United States. Transformer-less inverters have been popular in Europe for quite some time.

Article 430 of the National Electrical Code (NEC) covers motors, motor branch-circuit and feeder conductors, motor branch-circuit and feeder protection, motor-overload protection, motor-control circuits, motor controllers, and motor-control centers.

During a recent National Electrical Code (NEC) training program, inquiries about ground-fault protection of equipment (GFPE) were raised.

More on Codes & Standards

 
Branch Circuits--Required Receptacle Outlets, Part XI

210.62 Show Windows Requirements specifying the placement of receptacle outlets are covered in 210.52 through 210.63. The majority of these provisions pertain to dwelling units.

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A Quick Means of Egress - Necessary Updates To 2002 Code

It is extremely important to provide a safe and clear means of egress from electrical equipment and to ensure a worker’s ability to quickly exit an area during an electrical explosion and fire. The 2002 National Electrical Code (NEC) has added some necessary requirements to provide that safety.

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New User's Guide to NEC Published
by Staff |

"Bethesda, MD - Brooke Stauffer, executive director for standards and safety at the National Electrical Contractors Association (NECA), has written an authoritative new reference book just published by the developer of the NEC®.

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Electrocution in a Water Fountain

In June 1978, at a South Carolina resort, a young woman wearing only a bathing suit was observed in the early evening stepping into an illuminated water fountain. The fountain was circular with a diameter of 16 feet and a maximum depth in the center of about one foot.

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Pool Codes Get Rewrite

Article 680 covering swimming pools, fountains and similar installations has been totally rewritten for the 2002 National Electrical Code (NEC). Over the past NEC cycles, this article has grown substantially in size and a major rewrite was needed to make it easier to understand and use.

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Article 210: Branch Circuits

210.52(C)(5) Receptacle Outlet Location Provisions stipulating the placement of receptacle outlets are covered in 210.52 through 210.63. Requirements for placing receptacles in dwelling units are located in 210.52(A) through (H).

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Air Conditioner Requirements, Toggle Switches and More

CODE CITATIONS Article 90 Introduction Article 110 Requirements for Electrical Installations Article 250 Grounding Article 404 Switches Article 430 Motors, Motor Circuits and Controllers Article 440 Air Conditioning and Refrigerating Equipment Routing grounding electrode conductor Q: We have to inst

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