A study that characterizes 23 LED streetlights that claimed dimmability via a 0-10V interface, quantifies the performance variation found in market-available LED drivers, and explores the potential impact of the most recent 0-10V voluntary standard, ANSI C137.1-2022. The study results and recommendations for driver and luminaire manufacturers, developers of connected lighting systems, and standards development organizations offer a potential path toward more accurate and consistent dimming performance across all luminaires in a lighting system, guaranteeing the delivery of expected light levels, energy, and cost savings.

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