ESL’s Online Catalog represents a sampling of product offerings. For additional product information and customized solutions, please contact ESL.
Product categories
- What Does UL Certified Mean? A Practical Guide for Electrical and Power SystemsIf you work with electrical equipment, power distribution, or industrial infrastructure, you’ve likely seen the phrase “UL Certified” or “UL Listed.” But what does UL certification actually mean and why does it matter so much in real-world applications? In short, UL certification verifies that a product has been independently tested and evaluated for safety, performance, […]
- Keeping Mission-Critical Water Facilities Powered During Utility OutagesESL Power Systems provides mission-critical backup power solutions for water and wastewater facilities. Products like TripleSwitch® simplify generator load-bank testing and portable generator connections, while StormSwitch® enables rapid emergency power restoration at remote pump stations. These solutions help utilities meet testing requirements, reduce outage risk, and maintain continuous operation during power failures. The post Keeping […]
- Understanding Plug Compatibility: Why Standardization Matters for Hybrid TRUsAs more fleets adopt electric standby for refrigerated trailers, one of the most important (and most overlooked) considerations is plug compatibility. The type of inlet on a TRU determines what it can safely plug into, what power it can accept, and whether it will work reliably across a mixed fleet. Confusion often arises because containers, […]
