| | | | | | Russ examines an outdoor installation that used plumbing fittings. This violates Sec. 110.8 since only suitable wiring methods are included in the Code and a plumbing fitting is not suitable for electrical work such as this installation. Russ is also concerned by a crack in the plumbing fitting which would violate Sec. 110.12. |
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| | Sponsored | | Champion Fiberglass® Elbows offer no burn-through that minimizes repairs. Their lightweight nature contributes to lower material and installation costs and makes Champion Elbows an ideal solution to protect utility infrastructures. |
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| | | | Test your knowledge of the NEC with this challenging question. When are three-way switches required at the top and bottom of interior residential stairways to control the lighting? |
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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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| | | | When the NEC talks about “wireway,” it is referring to a specific type of raceway. Do you know what the NEC means when it comes to this term? |
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| | | | In this episode of EC&M Code Conversations, Editor-in-Chief Ellen Parson and Code Consultant Russ LeBlanc talk about Sec. 314.23 of the NEC and the requirements surrounding box supports. |
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| | | | Test your NEC holiday lighting knowledge with this quiz and enter for a chance to win a $25 gift card to Amazon! |
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| | | Fill in the blank. _____ shall not be located over the steps of a stairway. |
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| | | As the world of transportation changes and EVs become more prevalent, it is important that a nationwide charging infrastructure is in place that is both reliable and safe for consumers to utilize. For electrical professionals working in these spaces, incorporating the most current NFPA codes and standards as part of ongoing installations and maintenance... |
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| | | In this EC&M Tech Talk, Randy Barnett reviews the NEC rules for air conditioning and refrigeration equipment found in Art. 440. Fortunately, in the typical installation, the rules become simple to follow. Details are found in the article, but the nameplate on the equipment that houses the hermetic refrigeration compressor answers the basic questions... |
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| | | We're back with a new “Editor’s Choice: Top Product Picks” gallery. This month features a new selection of the industry's latest product innovations, chosen by the editors of EC&M. Click through the following six slides to see the latest and greatest products from various categories, such as cable fittings, load centers, tape lights, and more! |
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| | | Fill in the blank. The radius of the curve of the inner edge of any bend shall not be less than _____ for AC cable. |
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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: Creative problem solving. |
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