| | | | | | In the latest edition of Moving Violations, Russ inspects a raceway that has a Code violation. The installation does not meet the requirements of Sec. 300.6 because the screws used to support the raceway have become rusted and broken, suggesting they were not suitable for the seaside environment. This installation will need to be redone with material... |
|
|
|
| |
|
|
|
| | Sponsored | | Champion Fiberglass® Elbows offer no burn-through that minimizes repairs. Their lightweight nature contributes to a lower total cost of ownership that makes Champion Elbows an ideal solution to protect data centers. |
|
|
|
| |
|
|
|
| | | | Metal parts that are connected to establish electrical continuity and conductivity are considered to be __________. |
|
|
|
| |
|
|
|
| | Sponsored | | A dangerous shock hazard exists when electronics operate with the panel door open. Avoid the danger & OSHA fines. Cabinet Cooler Systems are CE compliant, stop electronic control downtime with cold 20 deg F air and maintain the NEMA 4, 4X, 12 rating. |
|
|
|
| |
|
|
|
| | | | In this episode of EC&M Code Conversations, Editor-in-Chief Ellen Parson and Code Consultant Russ LeBlanc discuss wireless and battery-powered switches. Russ also talks about how a recent Tentative Interim Amendment (TIA) revised wording for the second sentence of Sec. 210.70. |
|
|
|
| |
|
|
|
| | | Fill in the blank. At least one lighting outlet controlled by a listed _____ shall be installed in every habitable room, kitchen, laundry area, and bathroom of a dwelling unit. |
|
|
|
| |
| | Sponsored | Trust copper-only Romex® SIMpull® NM-B for safe installs backed by decades of proven field experience, reduced risk of corrosion, and a trusted manufacturer's warranty. |
|
|
|
| |
|
|
|
| | | NEC Sec. 110.12 “Mechanical Execution of Work” requires electrical work be done in a “professional and skillful manner.” Unfortunately, the Code does not give us any definition for the term. However, an Informational Note in Sec. 110.12 does point us in the right direction. A NECA National Electrical Installation Standard (NEIS) becomes our guideline... |
|
|
|
| |
| | 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! |
|
|
|
| |
|
|
|
| | | Article 110 provides general requirements for all installations. Section 110.12 is the famous “mechanical execution of work” part of the NEC. A recurring criticism of Sec. 110.12 is it’s not specific enough. |
|
|
|
| |
| | | Protective relays are critical power systems components, and it is essential to design and use them properly to detect power system issues. As NETA-certified technicians, we must be familiar with the purpose and operation of various types of protective relays. |
|
|
|
| |
|
|
|
| | | An inside look at how the NEC defines, classifies, and safeguards electrical installations in environments where fire and explosion hazards are more than just theoretical. |
|
|
|
| |
| | | In this video, filmed at the NETA PowerTest 25 show, Ellen Parson interviews Lee Howard, senior grounding specialist, and Jacob Rioux, grounding specialist, both with Hood Patterson & Dewar, about "grounding gotchas." Find out why many perform soil resistivity and fall of potential testing incorrectly and obtain invalid results. |
|
|
|
| |
|
|
|
| | | How well do you know the Code? Think you can spot violations the original installer either ignored or couldn’t identify? Hint: Unintended consequences. |
|
|
|
| |
| | | Fill in the blank. Hazardous (classified) locations shall be classified depending on the properties of the _____ that could be present, and the likelihood that a flammable or combustible concentration or quantity is present. |
|
|
|
| |
|
|
|
| | |
|
| | |
|
