![]() ![]() The source neutral wire is connected directly to the light fixture and the hot is spliced to the white cable wire running to SW1. Two-wire cable is run from the light to SW1 and from there, 3-wire cable runs between all the switches. This diagram illustrates wiring for a 4-way circuit with the electrical source at the light fixture and the switches coming after. Don't mix up the pairs or the circuit will not work properly. Each pair of traveler terminals from the 4-way must be connected to only one of the 3-ways. Take note that the traveler wires from SW1 are connected to the T1 pair on the 4-way switch and the travelers going to SW2 are connected to the T2 pair. ![]() The common terminal on the 3-way at the end of the circuit connects to the black wire running to the hot terminal on the light. The black and red wires running between the boxes are connected to the travelers on each switch. The circuit neutral is spliced at each box through to the light fixture using the white wire. The electrical source is at the first 3-way switch and the hot wire connects to the common there. In this basic 4-way light circuit, 3-wire cable runs between all the switches and 2-wire cable runs from the last one to the light. Wiring a 4-way Switch with Light at the End Also find 4-way switch troubleshooting tips here, and information on how these circuits work at this link. Also included are a 4-way dimmer switch diagram and an arrangement to control lights from four different locations. On this page are several diagrams that can be used to map 4-way and 3-way lighting circuits depending on the location of the source in relation to the switches and lights. For 4-way multiple light diagrams see these, for 3-way switch diagrams see these. ![]() The wiring diagrams on this page make use of one or more 4-way switches located between two 3-way switches to control lights from three or more points. ![]()
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