It goes by a number of names, but essentially what we’re talking about here is power consumed by devices while they’re switched off. How can devices use power when they’re switched off? Well, most modern devices, especially those with remote controls, don’t really switch off - they just go to sleep or stop displaying anything. But they’re still on really - waiting for you to press that “power” button on the remote.

In some countries the outlets have individual switches, making it simple to really switch off equipment. For countries where this is not the case, think about using a simple power strip with a switch on it as a way to avoid having to keep unplugging things.

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