Easy 3 Way Switch Diagram. Discover how to connect the wires to the right screws using just painters tape. Three-way switch wiring requires the use of a three-conductor cable to connect the two switches.
Three-way switches have different methods of connection, depending on the brand of the switch. This diagram shows how to connect a three-way switch with power coming into the first switch, then to the second, then on to two or more lights. So, to turn the light on, she carefully negotiates the stairs to the top, and flips on the switch.
Armed with a wiring diagram and the necessary tools, install the boxes that house the switches.
While a three-way switch is very simple to many who visit Instructables.com, it is a mystery to many This is the basic circuit for a three-way switch.
Don't forget the Wire, Solder, Shielding & Supplies. This method might be used when power is available in the ceiling but switch boxes are on opposite walls—it is often easier to run the cable up. The red wire in the cable is known as the traveler, and it connects to the black terminal screws on the pair of switches.
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