>"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 s*it 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.