Re: Motor starting jolt
Even worse is having one connection set for 120 volts and the other for 240. Instant motor death.toggle quoted messageShow quoted text
I once worked for GE in Lynn, Mass. We had several different voltages available, in the same locations.
We moved a simple, single phase IBM card sorting machine from one side of a room, on a 208 volt receptacle, and tied it to a 240 volt source on the other side of the room.
The motor immediately burned out.
It turned out that the motor's internal connections had been set up for 120 volt operation. The 208 volt source was actually down to about 200 volts and the motor was fine for years. Once it was hit with 240 it was gone.