Old Dimmer Switch Wiring Diagram. Take care that no bare wires project out of the terminals. This is the wire that provides the 120 volts of power to your switch from the power company.
Where there are two or more wires together in the old switch they must be kept together in the dimmerswitch. Many manufacturers are now producing dimmer switches that can be used for either single pole or 3 way switches. 2 gang rotary twin dimmer switch.
More expensive types allow the dial to be pushed for onoff operation.
Dimmerswitches on single sized plates can be fitted to wall boxes having 603mm screw fixing centres and those with double sized plates to. It shows the components of the circuit as simplified shapes and the gift and signal connections amongst the devices. If replacing an old dimmer or switch always take. However after removing the old switch from the wall and looking at the wiring on the back it appears to be.