Equipment is designed to operate +/- 10% of the nameplate rating. In the=
=20
case of taps like what happened here, the taps are supposed to be set by=
the=20
electrician to fall within the 10% range. With the taps set at 220v the =
CNC=20
machine was good to operate from 218v to 242v. As the power installer, =
it=20
was the electrician's responsibility to verify the voltage coming into =
the=20
building and adjust the taps on the machine accordingly. He was paid to=20
>correctly hook up power to the machine and failed to do so.
>
Don't you mean 198 V to 242 V?