3 Prong Switch Wiring. With these diagrams below it will take the guess work out of wiring. Three prong extension cords generally come in two wire gauges.
This might seem intimidating but it does not have to be. It shows the components of the circuit as simplified shapes and the aptitude and signal contacts together with the devices. Below is a pictorial representation of the schematic diagram.
Pick the diagram that is most like the scenario you are in and see if you can wire your switch.
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. You ll generally find the wire gauge marked on the cord sheathing or on the plug. A 14 gauge cord is suitable for indoor appliances and indoor or outdoor lights.