| | | | | | Take a look at this circuit breaker lock. To remove the lock, a screwdriver is required. In older editions of the Code, this installation was probably compliant with NEC. However, the definition of “readily accessible” has since been revised. Requiring tools to get to the circuit breaker is no longer considered readily accessible as of the 2014 edition... |
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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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| | | | Would a 2 in. PVC drain line be permitted to run across the wall 12 in. below a 6 in. deep 200A electrical panel mounted on the surface of the same wall? |
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| | Sponsored | | Beat the summer time heat and prevent hot weather failures. Cabinet Cooler® Systems produce 20 degree F air from an supply of compressed air to cool electrical controls. Thermostat control minimizes air usage. NEMA 4, 4X, 12 and Hazardous Location. |
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| | | | Is that installation for real? Unfortunately, the answer is yes. Back by popular demand, EC&M presents the “best of the worst” What's Wrong Here photos from 2025. Read each hint, and then click the next slide to read the analysis from NEC Consultant Russ LeBlanc on what's behind every Code violation. |
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| | Sponsored | | Lead times for medium- and low-voltage (MV/LV) switchgear, transformers, and other major pieces of electrical infrastructure now average over 60 weeks. To keep data center projects on schedule, hyperscalers and their electrical contractors frequently try to cobble together everything they need from multiple suppliers. But that strategy still doesn&... |
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| | | Fill in the blank. Receptacles installed for _____ and similar work surfaces as specified in Sec. 210.52(C) shall not be considered as the receptacle outlets required by Sec. 210.52(A). |
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| | Sponsored | Experience safer, code-compliant conduit bending with the Maxis® MHB4000 Hydraulic Bender. Designed for easy, secure setup and consistent, accurate bends, it meets electrical code standards while reducing jobsite risks. Precision-machined shoes and intelligent storage boost efficiency—helping your team work smarter and safer every day. |
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| | | As 2025 comes to an end, the editors of EC&M are looking back at some of the most popular content from the year. This article presents five of the best lighting & control articles that were featured in either the magazine or our Illumination Insider newsletter. This year's highlights include a range of topics such as hybrid lighting control systems... |
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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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| | | These three videos were the most-viewed from last month, showcasing electrical wire replacements, solving mechanical/electrical issues, and more reasons to prep your work ahead of time. |
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| | Sponsored | Ellen Parson and Chad Kennedy discuss 2026 NEC Code Changes. |
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| | | In EC&M Code Conversations highlights, Ellen Parson, editor-in-chief of EC&M, is highlighting some of the most popular Code content from the magazine and website, but this time brought to you in audio form, in case you missed it. In this episode, we’re featuring "Understanding General Requirements of the NEC, Part 9" by Mark Lamendola. This episode... |
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| | Sponsored | With a special focus for electrical professionals, the Facilities Expo has solutions for any building challenges you might face. Here you will learn from industry experts, network, and explore our solution packed exhibitor floor—all for free! |
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| | | Fill in the blank. TC-ER-JP cable shall be permitted for _____ in one- and two-family dwelling units. |
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| | | How well do you know the Code? Think you can spot violations the original installer either ignored or couldn’t identify? Hint: Cut those cable ties. |
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