Unscrew and remove the switch plate. Guide to wiring a 4 way switch electrical question.
Leviton Presents How To Install A Three Way Switch
Replacing a 4 way switch. Unscrew the switch from the electrical box and pull it out with the wires still. It is important to understand how these switches are wired before attempting to troubleshoot or replace. 4 way switch configurations are used to control lights with three or more switchesa 3 way switch is used on each end with one or more 4 way switches in between the two 3 way switchesthey do not have an onoff position like single pole switches. The new switch has 4 terminals two on either side top and bottom. Return to location you plan to wire to verify that there is no electric flow to that device. Each pair of traveler terminals should be wired to the traveler wires from one of the 3 way switches in the circuit.
Most 4 way switch wiring is placed between the wiring of two 3 way switches. Turn off electric power. My old switch has two on top two on bottom. Then use a voltage tester to make sure that the circuit is dead. A three way switch connects travelers from that switch to one side of the four way switch while the other side is connected to the other three way switch and the three way switch is then connected to a light. To replace a four way switch follow these steps.
A 4 way switch must be wired between two 3 way switches as shown in the diagrams on this page. The electrical wiring adds additional wiring to the same principles of 3 way switching. One ground and 4 circuit terminals divided into two matching pairs called travelers. The four way switch is not used on its own but in addition to a combination of switches. 4 way switches are a convenient way to operate lighting fixtures from three or more locations. A 4 way switch has five terminals.
If the device is still. 4 way switch wiring. Turn off the power to the switch at the circuit panel or fuse box. When connected properly a simple flip of any of the switches will turn on the light. Fully explained 4 way switch diagrams. Turn on the light or device being controlled by the 3 way switches if you already have them.
In this video scott gives you a step by step instructional tour of how to wire and install a pair of 4 way switches in your wood shop. Starting with safety and understanding 1. Each of the two are one in front of the other. My old 4 way light switch broke so i bought a new switch and i am trying to connect the wires. He will also explain how a 3 way circuit works.
Gallery of Replacing A 4 Way Switch
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