You used to look at "watts" to determine the brightness of a light bulb. But we're switching to "lumens" starting in January 2012. We have a handy conversion chart to help you know the right kind of ...
In the days of incandescent light bulbs, you could determine the bulb’s brightness by the number of watts printed on the package. With today’s LED bulbs, brightness is measured in lumens. But, what ...
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