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Establishing LED Equivalency

DOE recently published a Fact Sheet, "Establishing LED Equivalency." It summarizes a number of key performance characteristics to consider when comparing LED products and evaluating their equivalency to conventional lighting technologies. It summarizes key performance characteristics that should be considered when comparing LED products and evaluating their equivalency to conventional lighting technologies. No two products are identical in every respect, and tradeoffs are often necessary due to inherent differences in technologies. In fact, it may be possible to improve performance in one category, such as color rendition, while achieving equivalency in others. For any given application, a number of additional characteristics should be considered during product selection. Notable examples include sensitivity to heat in enclosed spaces, dimming capability and behavior, flicker, and power factor.

 http://apps1.eere.energy.gov/buildings/publications/pdfs/ssl/establishing-led-equivalency.pdf