Wiring Light Switch With Schematic Notice the black wire is the only wire that we are controlling through the 2-way switch. You have an incoming hot wire (black) going to one screw (it does not matter if you use the brass or silver screw) on the side of the 2-way switch and a black wire from the other screw on the 2-way switch going to the load (light, ceiling fan etc..).
Wiring Light Switch With Schematic Wiring an Outlet to a Switch Loop. This wiring diagram illustrates adding wiring for a light switch to control an existing wall outlet. The source is at the outlet and a switch loop is added to a new switch. The hot source wire is removed from the receptacle and spliced to the red wire running to the switch.
Wiring Light Switch With Schematic Take a closer look at a 3 way switch wiring diagram. Pick the diagram that is most like the scenario you are in and see if you can wire your switch! This might seem intimidating, but it does not have to be. With these diagrams below it will take the guess work out of wiring. Interested in a 4 Way Switch Wiring Diagram?
Wiring Light Switch With Schematic 3-Way Switch Wiring Diagram Line to Light FixtureLine voltage enters the light fixture outlet box. No longer allowed after 2011 NEC (if no neutral wire in switch boxes) 3-Way Switch Wiring Diagram Light Fixture Between SwitchesLine voltage enters the first 3-way switch outlet box, light fixture is located between switch boxes.