On Sat, 02 Aug 2014 11:02:16 -0400, wrote:

On Sat, 2 Aug 2014 14:05:32 +0000 (UTC), Doug Miller
wrote:

wrote in :

And remember - if the unit draws a constant 26 amps, it is over-spec
for a 30 amp circuit (maximum 80% rated current for continuous use)

The term "continuous" has a clear, specific definition in the Code -- and an air conditioner
does not meet that definition.

You really should stop trying to give electrical advice.

Air conditioners are such a specific load that it really requires an
engineer to specify the circuit ampacity and over current protection.
That is why the U/L marking guide specifies this on the label.

Motor loads are subject to the 80% rule but that is 125% of the
nameplate FLA and you use table 310.16 to determine wire size, not
240.4(D)
And if the manufacturer(on the UL label) specifies #6 wire be used
for connection, it does NOT meet code if installed with #8 or #10