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LED lights power consumption and electricity cost
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Lumens to Watts incandescent bulbs calculator LED, CFL Energy Savers & Halogens
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Calculate the electricity bill of a household for a month having 30 days using the following details. An electric unit costs Rs. 3.45 / Electrical Appliance Wattage in Watt Usage time 4
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LED Light Bulb Conversion Chart - Lampsone
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