In article , "Mortimer Schnerd, RN" wrote:

I had the local power utility repair a downed power line once and they
accidentally reversed the phasing, which in turn destroyed a 15 HP 220V 3ph
Ingersol Rand air compressor I operated at work (caused it to run backwards and
the oil pump didn't pick up oil like it should).

Ouch. I hope they paid for repairs.

Now, many years later, I'm dealing with 220V single phase power at the house.
Does it make any difference which [hot] conductor goes to which blade on a 220V plug?

Not at all.

--
Regards,
Doug Miller (alphageek at milmac dot com)

Nobody ever left footprints in the sands of time by sitting on his butt.
And who wants to leave buttprints in the sands of time?