That what the older generators were used to do that but with current codes etc it no longer legit due the safety issue like what you ran into it.

and in 2011 NEC code cycle everything on generator it will have to be GFCI on 120 volt circuit not sure about 240 volt circuit they may include it or not.

Merci,
Marc

Pas de problme,il marche n'est-ce pas?"(No problem, it works doesn't it?)