As of January 1, 2010, the law phasing out standard 100-watt incandescent bulbs goes into effect...
CFLs and LEDs vary in wattage and you’ll need to go by lumens instead. Here’s some help with the new bulb lingo:
• 40 watts = 450 lumens
• 60 watts = 800 lumens
• 75 watts = 1100 lumens
You’ll need to choose a color too. Most people prefer “warm white” over CFLs and LEDs labeled as “cool white” or “day light.”
Source: Noah Horowitz, Natural Resources Defense Council
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