Who can quantify the electrical standby fire risk?

siliconglen

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OK, we're getting all these messages now about been green and turning off appliances at night because they use SO much power and mixed in with these messages there's the oh-by-the-way-your-house-might-go-up-in flames-in-the-night warnings.

Can anyone actually quantify the risk here?
I leave my fridge on overnight as it has to be kept on
I leave my two freezers on all night because they have to be kept on too.
Should I be worried that these appliances might spontaneously ignite? Has anyone heard of this happening?

I also leave the washing machine switched on at the socket, the dishwasher switched on at the socket, the microwave switched on at the socked but none of them actually in use. Has anyone heard of a documented case of any of these appliances posing a health risk?

The router is also left on, as is the telephone answering machine, blah blah blah. Like I think I have about 20 things plugged in and not in use. Times about 20 million households in the UK that might be about 400 million things plugged in overnight, not including the things actually being used such as dishwashers, washing machines, mobile phones on charge, laptops charging, games consoles charging and so on. I'm aware these do use some power, but what's the actual risk here?

If there's actually a real risk here then I'd like to know about it so that I can have a fridge and freezer that meet the requisite "safe to be left on" standard, otherwise I'd like something concrete to show to the paranoid people who think that a safe, fused, modern house is at risk from fire because a plug was left on.

Geez, at any one time in the air there's about 10,000 planes from my experience of flying I guess at least 20 people per flight put their phones onto meeting mode rather than actually turn them off. That's 200,000 incidents per day. Yet in the entire history of aviation where people have had mobile phones, not one minor plane fault has ever been attributed to someone leaving a phone on or using it (never mind the risk from the mast, and of course you can't turn off that signal). So, have the "turn of your phone in the plane" people got into the "turn off your appliance at night" campaign or is there actually any truth in either claim?
 
I believe the stand-by power issue is GROSSLY overated.
Yes, it adds up, but a single light bulb (60 W) consumes more energy than 50 of those devices together.
 
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