National Electrical Code

Bringing electrical professionals the most comprehensive NEC coverage in the industry


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Electrical Inspector

The Top 10 Most Commonly Cited Electrical Code Violations

Jan. 12, 2023
Electrical inspectors identify which mistakes electrical professionals tend to make the most when it comes to the National Electrical Code.
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laundry room

Code Quiz of the Week: No. 412

Nov. 13, 2023
Weekly Quiz on the 2020 National Electrical Code
Fig. 1. An electrically powered passenger vehicle needs a dedicated charging circuit. Article 625 provides the requirements for installing the conductors and equipment for electric vehicle charging, power export, or bidirectional current flow.

NEC Requirements for EV Equipment

Nov. 9, 2023
The electrical conductors and equipment for connecting an electric vehicle to premises wiring must meet specific guidelines.
Fig. 1. PVC conduit is permitted to be installed within concealed locations such as walls, floors, or ceilings.

Stumped by the Code? NEC Requirements for Installing PVC

Nov. 9, 2023
Answering your NEC questions
rusty connections

What’s Wrong Here? Hint: Rusty Connections

Nov. 9, 2023
Think you know how this installation violates the NEC?
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q and a on keyboard
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Electric vehicle charging station
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National Electrical Code

NEC: Capacitators

Nov. 7, 2023
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podcast microphone and computer

Code Conversations Podcast — Breaking Down Barrier Requirements

Nov. 6, 2023
Ellen and Russ talk about whether duct seal can be used to cover supply-side terminals.
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outdoor luminaire

Code Quiz of the Week: No. 411

Nov. 6, 2023
Weekly Quiz on the 2020 National Electrical Code
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Electric shock

Shock Prevention on the Job Site

Nov. 3, 2023
Six simple precautions can make this common injury source uncommon in your workplace.
Moving Violations Video No. 298: Temporary Feeder Trouble

Moving Violations Video No. 298: Temporary Installation Violation

Nov. 2, 2023
Russ looks at a temporary feeder installation that violates Sec. 590.4(J).