Maintenance, Repair & Operations

Everything electrical professionals need to know about MRO, including technical advancements and trends in the maintenance, repair and operations of electrical equipment and systems.
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Photo courtesy of Kenall Manufacturing
Photo 3. Forward-thinking lighting manufacturers have designed and engineered plenum-access luminaires that allow access to the equipment in the ceiling by providing a panel or opening within the unit itself. This engineering simplifies ceiling layout, prevents the disruption caused by removing a luminaire, and permits a quick return to full function.

Highlights

Photo 2. This worker is attaching the current clamp from a power quality analyzer to a feeder conductor supplying a three-phase panelboard in a data facility. Study power quality to track down some of those “mysterious” equipment problems.
Aug. 19, 2024
Avoiding these common mistakes in electrical system evaluation and diagnosis leads to increased efficiency and reduced downtime.
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April 7, 2025
Weekly Quiz on the 2023 National Electrical Code
The Everyday Electrician Logo
April 4, 2025
We’re on the hunt for real-world electricians to share their best tips, tricks, and on-the-job insights as part of our Everyday Electrician video series.
PowerTest 25 Trade Show
April 4, 2025
EC&M editors report from the trade show floor at the Orlando event and conduct short video interviews with subject matter experts.
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Avoiding Situational Complacency on Electrical Job Sites
April 4, 2025
You might be misjudging how complacent you are about safety in any given moment and not realize it.
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Cybersecurity Measures for Electrical Maintenance Professionals
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Electrical Troubleshooting Quiz — April 1, 2025
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April 1, 2025
Mark Lamendola continues with Art. 110 of the Code, which covers general requirements for all electrical installations.
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April 1, 2025
It's time to test your knowledge of rotating machinery
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March 31, 2025
Weekly Quiz on the 2023 National Electrical Code
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March 26, 2025
Real-world examples from the field demonstrate how thermography can catch problems before they spark.