> >   - mains-power (or line-power)
> 
> I've heard it called that as well; I think this is an English verus
> American thing, and I'm not sure there's a good answer :-/

Probably -- I've never heard of line-power until this discussion.

I have heard it referred to as "AC Power" which is perhaps
less ambiguous in context, but does rather make me glance at my
air-conditioner's remote control :-)

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