How much electricity does a 60W appliance use 24 hours a day?
60 * 24 / 1000 = 1.44 degrees
An electrical appliance is 74 watts, 24 hours use, a month, how much electricity?
If you install 30 days a month, it is 0.074 kW * 24 hours * 30 = 53.28 kwh = 53.28 degrees
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