Would a dimmed regular light use more or less than a bright CFL?



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    “A light that is dimmed by 25 percent uses about 20 percent less electricity and the bulb’s life is increased fourfold.” However, CFL bulbs use, at worst, two-thirds less energy to provide an equal amount of light; they also last 10 times longer and generate 70 percent less heat. Under any circumstance, the CFL bulb will trump a dimmed regular light bulb. Dimmers would be an ideal fit with CFL bulbs, but that technology isn’t yet developed effectively enough for widespread usage.

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