Install 3 Way Light Switch Diagram. Run new cable romex between the 3 way switches. The ground wire is pigtailed with a wire connector at the switch boxes and the ceiling box.
Regardless of what 3 way switch wiring diagram you re following you ll need to use a 3 wire cable to connect the two 3 way light. Fixture between two three way switches. Two very old three way switches are depicted in the photo above.
Interested in a 4 way switch wiring diagram.
Three way switches are always installed in pairs to control a light from two locations. This is only a wiring schematic and not the actual wiring method used for 3 way switch installations. Below is a simple 3 way schematic that can be applied to all three way electrical light switch connections. 3 way switches and 14 3 cable.