I suppose thats what im not getting, if you have a non continuous load (42,400va) plus 125 of a continous load (1.25 * 56,600=70750) that would equal 70750+42400va= 113150 va
then its 113150/0.7/0.96=168377.97619va
168377.98va/(480 *1.73)=202.767 amps
So what am im missing here that they can use the 99,000va and not the 113150?? the language says otherwise.
Brother,
The language in 215.2(A)(1) calls for 125% of the
continuous load to be considered only "before the
application of any adjustment factors."
215(A)(1) says *nothing* about the ampacity calculation
*after adjustment factors* -- it simply doesn't address
it and doesn't apply to this separate calculation.
As the example points out, "the conductors must
independently meet requirements for termination...
and [raceway] conditions"
(my emphasis, because this is a separate, independent
calculation) Again, by definition, since this is an
"independent" calculation, it has nothing to do with
the 125% requirement, otherwise it wouldn't be
an "independent" calculation.
HTH.