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Hmmm. My voltmeter only shows 110V. Am I being cheated by the electric company? Whatever made you think that 125V is supplied now? Do you think the electric company is stupid, or maybe that somehow (by magic?) voltage has crept up over the years?

Get your voltmeter and check your household voltage. I would bet real money that it's 110V, maybe plus or minus 0.1 V.


Nope, the standard voltage in North America has been 120V for decades now. Since 1967, as best I can tell. 10% plus or minus is allowable. So anywhere from 108V to 132V is "within spec". You're not being cheated at 110V, but you're pushing the lower limit.

The UPS in my AV equipment rack is reading 123V right now.

https://electronics360.globalspec.com/article/10511/how-the-...
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