Re: Liability & responsibility of electrician?

>"John E." >> >>I have been asked to offer an opinion in a sensitive situation. >> >> A machinist moved his shop across town and required some rewiring (3-phase >> outlets, conduit, etc.) in order to locate some machines where he wanted >> them. >> >> He hires a guy who's not a pro (and later discovers is not insured) but >> has >> done shop wiring before and had a good attitude and track record. The guy >> does good work. No complaints about the quality of his work. >> >> Owner throws the switch, all works fine. >> >> The story continues 4 weeks later when the very expensive CNC fries its >> controller PCB to the tune of $4000. >> >> Turns out the voltage in the shop was upward of 245 and the taps in the >> CNC's >> power supply were set for 220. >> >> What is the legal and moral responsibility of each party? > > >** What a STUPID troll !!! > >The PSU in the CNC blew cos it was a pile of shit PLUS the design was 100% >incompetant cos it gave no protection to the delicate and expensive load. > >Bet it was old and way past use by date too. > >Piss off TROLL !! > > >.... Phil

Probably a good call, since modern switchers, which the DC supplies for these things usually are, can handle up to about 265 volts. Even a bit more, typically.