> > Don't know if this applies but SOME ships have/had floating > > mains systems with neither side earthed. Could make life > > exciting construction wise > > Gee, thanks Mr Glass-half-empty ;-) I'm not sure of the reason for this response but next time I'll remember not to warn you when your glass may not be earthed :-) R (m.g.h.e.) M -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.