| | | | | | How well do you know the Code? Think you can spot violations the original installer either ignored or couldn’t identify? Hint: Access denied. |
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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. Part IV of Article 430 specifies devices intended to protect _____ against overcurrent due to short circuits or ground faults. |
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| | Sponsored | | As a contractor, safety and efficiency matter when choosing materials. Copper-only conductors are an ideal choice for residential wiring, offering superior conductivity, reduced power loss, and reliable performance. Copper resists oxidation, maintains secure, long-lasting connections, and helps minimize overheating and electrical hazards. The result is a code-compliant, high-quality installation that gives clients lasting peace of mind. |
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| | | | Fill in the blank. PV systems are permitted to supply a building or other structure in addition to any other _____ supply system(s). |
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| | | Learn about the distinctions between traditional battery systems and advanced energy storage, along with best practices for fire hazard mitigation, ventilation, and ongoing maintenance to enhance system reliability. |
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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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| | | 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 12" by Mark Lamendola. This episode... |
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| | | This edition of the EC&M Member’s Only quiz series is all about transformers. Take this five-question quiz and put your knowledge about transformers and their NEC requirements to the test. After submitting your answers, you can enter for a chance to win a $25 gift card to Amazon! Note: You don’t have to get all the answers correct to win. |
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| | | The power pedestals at this campsite have a couple of issues that need to be addressed. First, where are the expansion fittings? Section 352.44(B) requires expansion fittings in this type of installation. Also, the receptacles here need to be weather-resistant, per Sec. 406.9(B)(1). |
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| | | What are the standard voltages recognized by the NEC for load calculations? |
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