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Old 10-29-10, 05:54 AM   #20
Daox
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I was talking with an engineer from Ruud lighting a couple weeks ago. They make industrial/commercial LED lighting. He said that even though sodium has the high lumen/watt efficiency, the orange light it emits requires something like 30% more lumens to appear as bright as a white LED. Therefore, they can get away with lower lumen output with LED fixtures and it still looks as bright, and its not discolored.
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