Quote:
Originally Posted by Win1894
I think you mean 120/240v. This became the standard in the mid-20th century and almost everywhere in the US since 1984. The 240v service would likely be phased at 180 degrees.
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Both 110 and 120 are acceptable terms. Like using the term Man instead of Humanity.
People sometimes say "110" instead of "120" because "110" is an older designation for the standard voltage in the United States.
120 volts has been the official standard in the US since 1984.
"110" is an older designation that's still used by the general public.
The terms "110V" and "120V" are often used interchangeably.