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.
ID 110795241 © Vchalup | Dreamstime.com
dreamstime_xl_110795241
ID 215852881 © Alena Dzihilevich | Dreamstime.com
dreamstime_xl_215852881
ID 188775926 © Josepalbert13 | Dreamstime.com
67ebec04d05de4d83eb99b85dreamstime_m_188775926_6
ID 155082438 © Angie Amil | Dreamstime.com
dreamstime_xl_155082438
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.
ID 104750065 | 3d © Sashkinw | Dreamstime.com
dreamstime_xl_104750065
May 1, 2025
Test your knowledge about data centers and enter for a chance to win a $25 gift card to Amazon!
may_2025_products
April 30, 2025
Don't miss the latest product innovations.
ID 150805489 © Welcomia | Dreamstime.com
dreamstime_xl_150805489
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.
ID 81540477 © Wavebreakmedia Ltd | Dreamstime.com
dreamstime_xl_81540477
April 28, 2025
Weekly Quiz on the 2023 National Electrical Code
ID 219971504 © Julie Feinstein | Dreamstime.com
dreamstime_xl_219971504
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.
ecm_on_air_nextgen_insights_template_1
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.