Light Switch Wiring Diagram 3 Wires. Here are some wiring cases. Three way switching schematic wiring diagram the circuit consists of a two way switch at each end top and bottom switches in fig 2 and an intermediate switch in the middle.
Black live or hot wire green ground wire white neutral or common wire red terminal wire two 3 way switches. The two hot wires of three wire cable connect to a pair of brass colored traveler terminals on each switch. The earth wires have been omitted for clarity and would need to be connected at all switches and ceiling roses.
Three way switch wiring where power goes directly to the light.
You can create a detailed diagram like this one or create a simple outline of the layout. Connect and install the two remaining white wires in the same way. How to wire a 12 volt light switch popular box trailer is a free worksheet for you. This connection is very simple connection and most used in electrical house wiring.