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    • 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.

    Highlights

    Racking Of Mv Breaker Front

    The Three Arc-Flash Mitigation Levers

    Nov. 9, 2023
    Understanding how energy, time, and distance impact an arc flash event’s potential risk to electrical workers

    Master the Supply Chain to Keep Electrical Projects on Schedule

    Sept. 3, 2024
    Lead times for major pieces of electrical equipment keep getting longer — over three years for power transformers and 18 months for switchgear. More bad news: They&rsquo...
    ID 188775926 © Josepalbert13 | Dreamstime.com
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    Do You Know What the NEC Means by “Raceway”?

    Sept. 3, 2024
    This term can be confusing, since not all types of raceway have the word "raceway" in the title.
    ID 311647339 © Andrei Dodonov | Dreamstime.com
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    Electrical Troubleshooting Quiz — September 2, 2024

    Sept. 3, 2024
    After getting an HVAC firm's diagnosing, determining the best mix of heat pump and gas, and setting the boundary temperature, what information would you provide to the plant engineer...
    ID 139724031 © Khwaneigq | Dreamstime.com
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    Maintenance Tips for Working with Your Value-Added Distributor

    Sept. 3, 2024
    Learn why working with an electrical distributor is important and how to maintain a healthy relationship with them.

    Recommended

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    Apprentice's Guide to Cable and Tubing

    Sept. 2, 2024
    Master the different NEC cable and tubing requirements in this eBook with trainer Harold De Loach.
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    ID 59426553 © Joseph Golby | Dreamstime.com
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    Code Quiz of the Week: No. 453

    Aug. 26, 2024
    Weekly Quiz on the 2023 National Electrical Code
    Courtesy of Randal Andress
    Ground-Fault Protection

    Ground-Fault Protection and the Multi-Wire Branch Circuit: A Troubled Marriage

    Aug. 20, 2024
    The multi-wire branch is here to stay; so is ground fault protection. But we should unite these technologies only when it’s a good match.
    ID 243752182 © Fotoeventstock | Dreamstime.com
    EV Manufacturers

    U.S. Department of Energy Awards $50 Million To Support Manufacturers in EV Supply Chain

    Aug. 20, 2024
    Six states will receive funding to adapt manufacturing facilities for the EV supply chain.
    Photo 213473953 © SlavkoSereda | Dreamstime.com

    Design Guidelines for Electric Fire Pump Power Services – Part 1 of 3

    Aug. 19, 2024
    One of the most misinterpreted and misapplied NEC requirements in the electrical industry industry is power service to electric fire pumps.