The word "mains" seems to be a widely understood synonym for home electricity supply.
Why is it called so? I always thought it was a corruption of main [electricity supply].
Is it an American dialect term? I mainly came across it in American jargon context, but Wiktionary says that it's a British term. What gives?
Best Answer
As Peter Shor mentioned, your Wiktionary link only makes a claim about the Norman word mains coming from minus.
Merriam-Webster gives for mains:
And etymonline gives for main: