3-Way Switch Design Changing the position of either switch will change the state of the lamp. Applications might include hallways, staircases, or rooms with two entrances/exits. ECE 201
4-Way Switch from a DPDT Switch ECE 201
Contact Connections 4 3 1 2 3 4 ECE 201
Hard-Wiring of the 4-Way Switch Position 1 Position 2 Toggle Added ECE 201
4-Way Switch Design Changing the position of any switch changes the state of the lamp. Applications might include the front entrance light for a split-level home. The light can be switched on or off from the top or bottom of the staircase, or at the landing. ECE 201