Have you considered that it is very possible to run the wire to the
>equipment all to local code, NEC most likely, but the machine itself was not
>setup to accept what was run to it??
When you say "run the wire to it", that means to me that it was attached or as the industry refers to it, terminated at both ends. If that is the case, then the installer is responsible to be sure that both terminations are the right terminations. That includes proper tap selection by the installer of the feed.