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 50 pcs Blue 3mm 12V 80mA Grain of Wheat Bulbs Long Life  US $10.99
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 50 pcs Red 3mm 12V 80mA Grain of Wheat Bulbs Long Life US $9.99
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 100 x Green 3mm 12V 80mA Grain of Wheat Bulbs Long Life US $14.99
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 100 pcs Red 3mm 12V 80mA Grain of Wheat Bulbs Long Life US $14.99
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 50 x Green 3mm 12V 80mA Grain of Wheat Bulbs Long Life US $10.99
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 1000 x Red 3mm 12V 80mA Grain of Wheat Bulbs Long Life US $59.99
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 1000 x Blue 3mm 12V 80mA Grain of Wheat Bulbs Long Life US $59.99
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Energy usage of fluorescent bulbs V incandescent in particular application?
In my closet, I have a light that I turn on for 30 seconds at a time, tops. Would it be economical in the short run to leave it as an Old Style bulb, or replace it w fluorescent. In the long run, would it save energy to change? And does a fluorescent bulb life shorten significantly flipping off and on?
The electrical rate in the Northeast US for me is about 18ยข per kwh, no off peak breaks.
Makes sense to leave the old one. Say the bulb is 60 watts and you turn it on 4 times a day for 30 seconds. In a year that bulb will use a whopping 0.73 kWhs or $0.13 worth of electricity. Even if the CFL used no electricity, it would take like a decade just to pay for the bulb.