Screws Three Way Switch Wiring Diagram. The green wire a ground wire connects with the green screw in the switch or the electrical box. Image 7 dimmer with one copper screw and two brass screws in a 3 way application.
1940s 3 way switch wiring diagram 3 way amp 4 way switch wiring diagram ask the builder 3 way switch wiring electrical 101 wiring diagrams for 3 way switches ask the electrician how to wire a three way switch the family handyman wiring a 3 way switch wiring diagram and schematics 3 way switch wiring diagram in 2019 electrical light installing a 3 way switch with. The grounding wire is connected both to the switch using a pigtail wire and to the second cable run passing onward to the next switch. With these diagrams below it will take the guess work out of wiring.
The black and red wires between sw1 and sw2 are connected to the traveler terminals.
Traveler wires go on the brass screws. Way switches between 3 way switch 1st and 3 way switch last. Connect the two remaining running cables with two copper or light colored screws. Black live or hot wire green ground wire white neutral or common wire red terminal wire two 3 way switches.