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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.

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    Dielectric Testing
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    EC&M Tech Talk — Separately Derived Systems

    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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    May 1, 2025
    Test your knowledge about data centers and enter for a chance to win a $25 gift card to Amazon!
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    April 30, 2025
    Don't miss the latest product innovations.
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    April 28, 2025
    While the most-cited categories tend to stay the same each year, the order did shift some between 2023 and 2024 and saw fewer total citations across the 10 categories.
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    April 28, 2025
    Weekly Quiz on the 2023 National Electrical Code

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    It's time to test your knowledge of rotating machinery.
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    April 14, 2025
    Weekly Quiz on the 2023 National Electrical Code
    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.
    April 11, 2025
    An analysis of the unique role luminaires play in reducing unplanned downtime.
    conductor requirements
    April 11, 2025
    Correctly implementing conductor requirements involves more than just looking something up in a table.
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    April 10, 2025
    In Episode 68, get to know Wes Newton, a 2024 EC&M Under 30 All Star, and learn insights for young leaders in the industry.