3 Wire Switch Loop. This might seem intimidating but it does not have to be. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.
Student training aid for the connections required to wire a lighting circuit using the 3 plate loop in method. From a physical wiring standpoint it will be necessary at a minimum to run 14 3 cable which contains a black red and white wire. Switch loops are very difficult to grasp when you re new to the trade and in this show.
The 2011 nec code requires that the switch loop use wires of the proper color code to signify hot wires.
3 way switch wiring diagram. Currently has single switch with 12 2. With these diagrams below it will take the guess work out of wiring. 3 way switch wiring diagram.
