> I've never actually seen 230 V, the supposed standard, in real life. I've just measured the voltage in a socket my home (Germany) and the multimeter says 231

> I've never actually seen 230 V, the supposed standard, in real life. I've just measured the voltage in a socket my home (Germany) and the multimeter says 231 V. (And it's nighttime, so no solar generation from houses in the neighbourhood potentially distorting the local grid.)