AC in the context of electricity has meant "alternating current" for literally more than a hundred years. This is a you problem, not OP's, so turn down the snar

AC in the context of electricity has meant "alternating current" for literally more than a hundred years. This is a you problem, not OP's, so turn down the snark. https://en.wikipedia.org/wiki/Alternating_current https://en.wikipedia.org/wiki/Alternating_current