No
No
No
No
That depends on the machine. In many cases the operator safety switch is a pressure switch in the seat.
If the switch is what is keeping the load from turning on, then yes, there is a voltage across the open switch.
digital
They've had to switch their over the air broadcasting to all digital broadcasting.
I would suspect the switch...It is 20 years old.
Turning the switch off opens the circuitand stops the flow of electric charges
a switch that turns off equipment in an emergency.
The operator
the purpose of a switch board is a connection for