A useful source:
https://worldofsockets.com/
this post was submitted on 29 Jul 2025
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Yup. Japan also has grounded outlets, though, although they are comparatively rarer.
I recently had a house built, and most of the outlets do support grounding.
However, it's not very common to actually use them — many appliances don’t have grounded plugs, or the shapes don’t match.
I’d say only things like washing machines, microwaves, and rice cookers tend to use them.
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are house fires and electrocutions common occurrences?
Grounded devices are only important if it's something that can build up charges or has a metal exterior that can become part of the circuit. Even then, it just takes something like a GFCI circuit to make something ungrounded near perfectly safe. House fires happen because of shitty house wiring or unattended or misused hot appliances, almost never because of ungrounded devices.That's more just a general shock risk that can be mitigated in other ways.
Especially these days with so many things being lower voltage DC past an ac to dc converter that should have a ton of protections in itself.
Not as far as I'm aware.