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    Everything electrical professionals need to know about MRO, including technical advancements and trends in the maintenance, repair and operations of electrical equipment and systems.

    Recent

    Announcing the 2025 Product of the Year Category Winners
    Courtesy of Eaton
    NFPA 70B now contains mandatory requirements regarding EMPs for all common electrical system components, along with specific guidance for maintenance of specialized systems, like EV equipment, PV and wind power systems, etc .
    ID 219971504 © Julie Feinstein | Dreamstime.com
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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.
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    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.
    ID 2075878 © Ivan Hafizov | Dreamstime.com
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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.
    ID 191482247 © Somporn Suebhait | Dreamstime.com
    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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    Mark Lamendola continues with Art. 110 of the Code, which covers general requirements for all electrical installations.
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    It's time to test your knowledge of rotating machinery
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    Weekly Quiz on the 2023 National Electrical Code
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    Real-world examples from the field demonstrate how thermography can catch problems before they spark.