Combination And Three Way Switch Wiring Diagram. Connect live or a hot wire to the common or black terminal of the first switch. Cooper receptacle switch wiring diagram wiring a 3 way switch is a little more tricky than wiring a 2 way switch.
By correctly connecting two of these switches together toggling either switch changes the state of the load from off to on or vice. Its supposed to help all of the average person in building a suitable method. In this wiring diagram the fixture is connected to the switches with three wire cables.
A 3 wire cable runs from l1 to l2 and 2 wire cable runs from there to the first switch.
A three conductor cable with a ground is then installed between the two 3 way switch boxes. Diagrams shown on this page are simplified for clarity. The neutral is connected to the neutral silver terminal. Wiring diagram contains each illustrations and step by step instructions that will enable you to actually build your project.