3 Way & 4 Way Switch Wiring Diagram

4-Way Switch Wring Diagram. A 4-way switch is always placed in between two 3-way switches. Watch the 4-Way Switch video below and pay attention. If you understand how to wire a 3-way switch, you'll have no issues with a 4-way switch. You can have an indefinite number of 4-way switches in a circuit. They all must be between the two 3-way switches.

3 Way and 4 Way Wiring Diagrams with Multiple Lights

Here 3-wire cable runs between L1 and L2, 2-wire cable runs from the last light to SW1, and more 3-wire cable runs from SW1 to the 4 way switch and then to SW2. At the lights the hot source is spliced to the black wire running between lights, it does not connect to the lights.

Four

Two cubic inches are required by the National Electrical Code for each #14 wire. See Tables 314.16(A) & (B). I have a diagram for this light switch wiring method on my 3-way switch page. I did not include grounding conductors on the 4-way switch wiring diagrams in order to keep them simple.

How to Wire a 4

3-Way and 4-Way Switch Wiring Diagrams. 3-way switch diagram. Same diagram, but with 4-way switch added. Wiring a New 4-Way Switch. At the risk of being repetitious, make sure the power is off before making any connections to an existing circuit. While some of the work being done will be with wires that cannot be carrying power yet, there must ...

4 Way Switch Wiring Diagrams

4 Way Dimmer Switch Wiring Diagram. This is the wiring for a dimmer in a 4 way circuit. Three-wire cable runs between all the switches and 2-wire cable runs to the light. To make this circuit work, a 3 way dimmer can be used in place of one, or both of the standard 3 way switches. In fact, a dimmer can be used this way in place of any of the 3 ...

4

This 4 way switch diagram #1 shows the power source starting at the left 3-way switch. This 4 way switch diagram #2 shows the power source starting at the fixture. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut.

4 Way Switch Wiring Diagram

A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects. Do you need a 3 way switch wiring diagram? OPTION #1: Power from light fixture to light switch

Wiring Diagrams for 3

Diagram #1 above, shows the electricity source starting at the left 3-way switch. Wiring Diagrams for 3-Way Switches. 3-way switch diagram #2 above, shows the electricity source starting at the fixture. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wire nut.