APC requires only 20A. I had thought that it would be perfectly safe to
replace an L5-20P with an L6-30P and plug a 2200 VA UPS into a 30 amp
circuit,
if you also change the breaker...
but the electrician who was doing some of the rewiring said "we
can't do that" because "the 30A circuit breaker might not blow in time
to protect" the 2200 VA device from damage in the event of an internal
short.
I think code requires breaker and outlet to match; the wire inbetween
can exceed specs. besides consistency/documentation, I can't think
of any real safety problem with what you suggest.
or legality of doing so? I have always assumed that going up a size in
circuit capacity is generally safe and legal...
electricians do seem to cut a normal 120/15 circuit a lot more slack,
but get all huffy about higher-power circuits. I've experienced this too...
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