U.S. considering brightness as the standard light bulb
Date:2011-06-16 14:15
Status:Be resolved
Question:admin
ill be different. A 60 watt bulb about 800 lumens, but different manufacturers lamp brightness will be different, the lowest is only 750 lumens, the maximum can reach 1049 lumens.
The future, wattage light bulbs will no longer be the measure of the intensity of the standard. From January 1, 2012, the United States will begin phasing out the 100 watt conventional incandescent lighting manufacturers will use 72-watt bulb instead of the traditional 100-watt incandescent. A year later, they will use
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