A Fixture To A Light Switch Wiring Diagram. The other terminal is marked as l1 and is the output to the light fixture. The red wire which is connected to the first switchs common.
The photo above depicts the wiring diagram of a ceiling light and light switch with the power from the circuit breaker panel entering the ceiling electrical box. The following simple wiring diagram shows that how to wire a pilot neon light switch with a lighting point. The grounding conductor is not shown in order to simplify the wiring diagram.
For the instructions below were assuming that you are converting an existing 2 way switch to a 3 way version by changing the current single.
The black screw on a 3 way switch diagram is for the continuous hot wire that comes from the circuit panel or for the feed wire that runs up to the light fixture. For both romexs in the receptacle box the black wires are wired to the brass terminals. For the instructions below were assuming that you are converting an existing 2 way switch to a 3 way version by changing the current single. 2 way switch with multiple light wiring diagram.