| | | | | | How well do you know the Code? Think you can spot violations the original installer either ignored or couldn’t identify? Hint: Lousy use of amp cord. |
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| | Sponsored | | Lightweight, no burn-through Champion Fiberglass® Elbows protect data center cables while minimizing elbow repairs. They offer temperature tolerance and a fast, seamless installation. |
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| | | | Fill in the blank. A motor disconnecting means can be a listed _____. |
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| | Sponsored | | It’s time to jumpstart your year. Stop by any participating Sonepar company branch across the U.S. for January Jumpstart deals on Milwaukee Tool and 3M electrical supplies. Plus, enter for your chance to WIN a Milwaukee PACKOUT Rack System loaded with 3M products—worth $5,000 total! And discover time-saving solutions we offer to help you finish jobs faster. Sonepar. Our knowledge is electric. |
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| | | | In this episode of EC&M Code Conversations, Editor-in-Chief Ellen Parson and Code Consultant Russ LeBlanc discuss changes to test and maintenance protocols surrounding emergency systems and how they’re commissioned per the 2023 NEC. |
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| | | Do you know an up-and-coming young electrical professional who has shown extraordinary results on the job? If so, nominate them for consideration as an EC&M Under 30 All-Star. The deadline is April 1. |
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| | | The National Fire Protection Association (NFPA) recently released a proposed Tentative Interim Amendment (TIA) to the 2026 Edition of the National Electrical Code (NEC). The TIA was submitted by Kris Dooley, Department of Homeland Security National Urban Security Technology Laboratory, and has a comment closing date of January 27, 2026. |
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| | | Fill in the blank. Where the building is designed to comply with an energy code, the lighting load shall be calculated using the unit values specified in the _____. |
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| | Sponsored | Nationally recognized NEC expert Mike Holt is leading the training at Code Change Conference 2026. Gain practical, real-world insights and clarity from the best in the business. Join us in Boston this January and walk away with the knowledge and tools you need to succeed. |
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| | | Article 110 provides general requirements for all installations. Part II provides the requirements for systems operating at 1,000V (nominal) or less. Section 110.26(E) covers dedicated equipment space. All service equipment, switchboards, switchgear, panelboards, and motor control centers must be located in dedicated spaces and protected from damage... |
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| | | See which maintenance-, repair-, and operations-related articles caught the attention of EC&M subscribers throughout 2025. You may find one you've already read or discover an article you might have missed! |
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| | | November of 2025 ushered in a new Code cycle and introduced the 2026 edition of the National Electrical Code. The 2026 NEC brought several significant changes and it’s important for engineers and electricians to be aware of what has been added or changed. Test your 2026 NEC knowledge with this five-question EC&M Member’s Only quiz. After submitting... |
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| | | Rules for low-voltage wiring have been relocated within the 2026 NEC and those installing these limited-energy and communication wiring and equipment must know where to find those requirements. Fortunately, the information has now been logically grouped together within the code. |
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| | | Russ looks at an installation where the cord jacket is severely dried and split open. Section 400.3 requires flexible cords and cables to be suitable for the conditions of use and location. This cord is unsuitable. |
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| | | What is the maximum size copper grounding electrode required for connection to a concrete-encased electrode? |
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