If every plug to lamps, appliances, etc are plugged in, but not turned on does it use electricity?

Question

Does it use electricity just from being "plugged in"?

Answer 1

Some do, others don't. For example, a lamp uses a simple On-Off switch. When it's off, electricity has been disconnected from the lamp, so none at all is used.



Appliances may use some electricity. For example, your stove may be turned off, but it still has a clock or perhaps an LED display that's still running. Anything that uses a remote control to turn it on or off DOES use a slight amount of electricity. The low cost of leaving it plugged in, but not running, is very tiny. A TV that's never used all month, but still plugged in, will probably use about 10 cents in extra electric cost.



People have asked about cell phone chargers being plugged in but not charging any phones. Theoretically, they use no electricity when not charging phones, but in real life, they probably eat up maybe an extra 1 cent per YEAR in electric cost, if that.

Answer 2

Generally, lamps will use no power when plugged in but turned off.



Appliances and other electronics are a different matter.



Simple appliances like a blender or a toaster use n o power when plugged in but turned off.



Other types of electronics or appliances may use a small amount of power. For example, a TV or VCR uses a small amount of power to stay ready to start the instant you push the power button. This is usually called a "standby" mode.



Some older transformers (like chargers for cellphones) used for small electric items can consume power even when the device (cellphone) is not connected.



Newer versions of these wall mounted chargers are much better with power.



You can tell the difference by feeling how warm the transformer is when it is plugged in and not charging anything. Old energy wasting versions are very warm or even hot. Newer ones are cool to the touch.



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Answer 3

No. If you have plug in power supplies for reduced voltage desk lamps or similar they will consume some current but very little.

Answer 4

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