Another widely used switch is the three way switch. Four way switches are used.

Leviton 1204 2i 4 Way Toggle Switch 15a 120 277v Ivory Industrial Grade
4 way toggle switch. In the diagrams below the first switch 3 way common terminal connects to line voltage. The ul listed toggle switch features back wired and side wired installation options. 4 way switches have four terminals each with two pairs of travelers one set usually black and one set usually brass color. Free shipping on orders over 25 shipped by amazon. How a 4 way switch works switches to control lighting. More buying choices 1339 3 new offers.
Morris 82041 toggle switch 4 way 4 poles 120v277v 15 amp current white. 43 out of 5 stars 5. Four way switches are used to control lighting from three or more locations. Get it as soon as sat mar 28. Starting with safety and understanding 1. If the device is still.
Turn off electric power. That would give you the ability to control one light from all three locations. Aida 15 amp 4 way toggle switch self grounding indoor quiet turn on off toggle residential grade ul listed side wired 10 packs white 39 out of 5 stars 12 2949 29. Tactile switches remain a favorite among design engineers because the positive detent indicates circuit transfer to the operator. Only 18 left in stock more on the way. The t4 t toggle switch provides a 4 way momentary toggle action with detent providing a positive click action.
Turn on the light or device being controlled by the 3 way switches if you already have them. Product overview the leviton 20 amp 4 way commercial switch is designed for use in conjunction with 2 3 way switches not included in a 4 way circuit to provide light control from 3 locations. Aida 15 amp 4 way toggle switch self grounding indoor quiet turn on off toggle residential grade ul listed side wired 10 packs white 39 out of 5 stars 5 2949 29. In that scenario you would use two 3 way switches at either end of the loop located at the top of the stairs and the garage door and one 4 way switch in the middle located at the basement bedroom door. The t4 t series are 4 way momentary toggle switches with tactile response. A four switch configuration will have two 3 way switches one on each end and two 4 way switches in the middle.
Features nylon toggle and heavy duty contacts for longer trouble free operation. Return to location you plan to wire to verify that there is no electric flow to that device. To find out which. Smart upgrade from a standard switch for use on a 15a or 20a circuit. These are used in combinations of two.