| | | | | | Check out the location for this service disconnect. Doesn’t look readily accessible, does it? To access the service disconnect would most likely require a ladder, which means it doesn’t meet the definition of “readily accessible” and violates Sec. 230.70(A)(1). Do you agree with Russ’s assessment? |
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| | Sponsored | | Simplify your installations with Southwire MCAP® Cable. Our free MCAP® Cable Cost Calculator demonstrates how you can eliminate unnecessary steps, reduce labor, and meet compliance requirements—all while enhancing jobsite efficiency. |
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| | | | True or false? Metal heating duct is never permitted to be installed above a 2500A service switchgear. |
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| | Sponsored | | Stop electronic control downtime due to heat, dirt & moisture. Cabinet Cooler Systems produce 20 degree Fahrenheit air from ordinary compressed air to cool electrical controls. Cabinet Coolers are UL Listed, CE compliant and maintain the NEMA rating. |
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| | | | In this episode of EC&M Code Conversations, Editor-in-Chief Ellen Parson and Code Consultant Russ LeBlanc contemplate a common concept that can sometimes cause confusion. When is ampacity not really ampacity? |
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| | Sponsored | | Learn how Hatzel & Buehler is transforming prefab operations and protecting profits with real-time production tracking, actionable data, and proven strategies to eliminate costly rework—shared in this exclusive webinar. |
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| | Sponsored | | Hyperscalers and colocation developers are scrambling to build data centers to keep up with AI’s insatiable demand for compute power. That has renewable energy providers scrambling to meet data center operator demand for fuel cells and other eco-friendly, ultra-efficient power sources. If that weren’t enough, all of those companies also... |
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| | | For this “Members Only Quiz”, we decided to test your NEC knowledge on grounding and bonding performance requirements. This is an important and popular topic for our readers. The five-question quiz offers a chance to either learn more about these requirements or to refresh yourself. |
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| | Sponsored | Whether you’re in electrical design, contracting, maintenance, or inspection—Code Change Conference 2026 delivers what you need: NEC updates, actionable guidance, and tools to future-proof your work. Join us December 2025 in Seattle and January 2026 in Boston! |
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| | | Section 110.15 requires marking the high leg of a delta-connected 4-wire system where the midpoint of one phase is grounded. Such a marking must be placed at each point where a connection is made if the grounded conductor is also present. |
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| | | Understanding how the latest updates to OSHA’s PPE guidance ties in to NFPA 70E requirements |
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| | | Fill in the blank. In walls constructed of wood or other _____ material, electrical cabinets shall be flush with the finished surface or project therefrom. |
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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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| | | Take a look at some of the innovative project photos sent in by Top 50 companies this year, representing the diverse scope of work that helped many of them reach record revenue levels in 2024. Photos are shown in alphabetical order by company name. |
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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: Corrosion of Code-conformity. |
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| | | It's almost time for thousands of electrical professionals to gather at one of the most important industry events of the year — the National Electrical Contractors Association (NECA) Convention and Trade Show. This year's event takes place from September 12 - 15 at the McCormick Place West Convention Center in Chicago. If you’re planning on attending... |
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| Fill in the blank. Metal faceplates for snap switches, including dimmer and similar control switches, shall be connected _____ whether or not a metal faceplate is installed. |
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