@mapman ....it does seem to verge on the edge of one, doesn’t it? ;)
I’m within .5 mi. of a major area hospital whose power consumption has to be phenomenal...so my power consumption must resemble a mosquito on the neck of Godzilla. ’Dirt level’, considering the MRIs’ and other SOTAstuff they’re running is either nil or off any conceivable chart....
That, and being in a small industrial clot, I’d assume that during the day...’blotto’.
At night, when most of my ’listening’ (serious or otherwise) is done is acceptable.
And, since I wear aids in my ears (unless ’headphoned’ and eq-corrected)....I can’t hear dog whistles or pin drop impacts either...
There’s a cell tower within 50 yards as well.....
So, class....’Yours uncoolly’ and those about here are so submerged in RFI, EMI, auto & truck ignition racket that concerns over the THD of line volts is likely the least of my concerns.....keeping the AC part of the HVAC up ’n running, Yes.
Not trying to be snarky ’bout it, y’all.... but ..🤷♂️