4way key wiring in agreement with Ask-the-electrician. Guide the electrical switch wiring of the purchased electrical interrogation switch to connect the wires. Terminals, either at the bottom.
How a 4way switch, with schematic in keeping with Dengarden. The switches always in conjunction with the fact that the search switch will also control the same device. Switches used when more luminaires control light.
4way wiring diagram in keeping with Easy-do-it-yourself-home-improvements. The wiring of the switches is clearest and easiest. Have most ways of wiring help with basic home projects.