3 Way Dimmer Wiring Diagram When Power And Light Wires In The Same Box. The power source is coming to light fitting first. From there 3 wire cable runs to the dimmer in the second box and 2 wire cable runs from the dimmer to the light at the end of the circuit.
It is also a good idea to watch some videos prior to installation to avoid unnecessary problems. This dimmer requires a neutral wire connection. Twist together the three bare ground wires and connect them to the green ground terminal.
A 3 way lamp requires a 3 way bulb and socket and a 3 way switch.
For 3 way application go to step 5b. Wiring diagram 3 way switch with light at the end. Then a 4 wire cable going between the two 3 way switches and then a 3 wire cable going from the switches to the load. Three way switching schematic wiring diagram.