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5,600 Lumen - 40 Watt Rotate III Series LED Wall Pack - 5000
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a. Lumen per watt comparison. b. Overall lighting efficiency (W/lm). | Download Scientific Diagram
LEDs Will Get Even More Efficient: Cree Passes 300 Lumens Per Watt
U.S. Energy Information Administration - EIA - Independent Statistics and Analysis
TAM ENERGY
Cree First to Break 300 Lumens-Per-Watt Barrier - Off-topic Chatter - BudgetLightForum.com
Why LED lights are better than Fluorescent lights even when lumens per watts are the same - Bijli Bachao : Bijli Bachao
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New Energy Efficiency Standards for Lightbulbs: What You Need to Know | Department of Energy
