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==Examples== In 2020, the average household in the United States consumed 893 kWh per month.<ref>{{cite web|title=How much electricity does an American home use?|url=https://www.eia.gov/tools/faqs/faq.php?id=97&t=3#:~:text=How%20much%20electricity%20does%20an,about%20893%20kWh%20per%20month.|publisher=U.S. Energy Information Administration|access-date=11 June 2022|date=7 October 2021}}</ref> Raising the temperature of 1 [[litre]] of water from [[room temperature]] to the boiling point with an [[electric kettle]] takes about 0.1 kWh. A 12-watt [[LED lamp]] lit constantly uses about 0.3 kWh per 24 hours and about 9 kWh per month. In terms of [[human power]], a healthy adult male manual laborer performs work equal to about half a kilowatt-hour over an eight-hour day.<ref>Eugene A. Avallone et al., (ed), ''Marks' Standard Handbook for Mechanical Engineers 11th Edition '', Mc-Graw Hill, New York 2007 {{ISBN|0-07-142867-4}} page 9-4</ref>
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