| | | | | | How well do you know the Code? Think you can spot violations the original installer either ignored or couldn’t identify? Hint: Measure twice, cut once. |
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| | Sponsored | | Roadway and subway tunnel projects demand reliable protection, which is why Champion Flame Shield® Phenolic Conduit is the trusted material. This durable, 2-hour fire-rated electrical conduit doesn't release toxic smoke or halogens. Paired with specific fire-rated cables, it delivers superior safety and circuit integrity. Discover the standards and solutions that make Champion Flame Shield the industry leader. |
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| | | | Fill in the blank. Plate electrodes shall be installed not less than _____ below the surface of the earth. |
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| | Sponsored | | The 3 Pc Locknut Wrench Set delivers the best access & engagement on conduit locknuts inside panels and boxes. Each wrench features an offset head and teeth, helping overcome obstacles and providing easy access in tight spaces. The anti-slip teeth ensure a secure grip and allow for tightening and loosening locknuts without needing to reposition the wrench. |
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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 Bryce Nesbitt, EV Plugbox LLC/EV-Seg, and has a comment closing date of May 20, 2026. |
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| | | How well do you understand the general requirements for wiring methods and materials for power and lighting? |
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| | | Fill in the blank. Article 555 covers the installation of wiring and equipment in the areas comprising of _____ and other areas in marinas and boatyards. |
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| | | In this episode of EC&M Code Conversations, Editor-in-Chief Ellen Parson and Code Consultant Russ LeBlanc discuss 2026 NEC changes related to the installation of receptacle outlets below kitchen countertops. This discussion examines the new Sec. 210.52(C)(4) that was added in the 2026 edition of the NEC. |
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| | | See the latest Code violations from NEC Consultant Russ LeBlanc. First, Russ examines some questionable bending in some rigid PVC conduit. Next, he looks at some landscape lighting that needs serious attention. |
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| | | When reading Sec. 310.12(B) of the 2026 Code, it is imperative to know the intent behind the revisions made to the last sentence. In order to figure that out, we will need to look at the public input submissions for that revision. |
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| | | Article 110 provides general requirements for all installations. While Part II provides the requirements for systems operating at or below 1,000V ac or 1500V dc (nominal), Part III provides the requirements for systems operating over 1,000V ac or 1500V dc (nominal). |
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| | | What is the minimum size copper conductor permitted for branch circuits up to 2000 volts? |
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| | | There are several issues with this installation. For one, the connector is not suitable for the outdoor location, which violates Sec. 314.15. There is also a supporting violation of Sec. 314.23, which you can see for yourself in the video. Finally, there’s a violation with the staples used. |
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