The new switch has 4 terminals two on either side top and bottom. The 4 ways are in between.
4 Way Switch Wiring Diagram House Electrical Wiring Diagram
How to wire a four way light switch diagram. 3 way switch wire diagram power to light fixture. Wiring four way and three way switches. Power from light fixture to light switch. This is an updated version of the first arrangement. How to wire a 4 way switch. To wire a 4 way switch start by turning off the circuit breaker for the room youre working in.
In this diagram power enters the fixture box. This diagram is a thumbnail. The black hot wire connects to the far right switchs common terminal. The 4 way is used when you want to control the light or lights from two or more locations. Next connect the white wire coming into the box to the white wire on the fixture. Then connect the black wire coming from the fixture to the black wire going to the first 3 way switch.
The key to 4 way switch wiring. Click here to access note. The load wire is in one 3 way switch box and the line from the power source is in the other 3 way switch box. I bought a new switch. In this basic 4 way light circuit 3 wire cable runs between all the switches and 2 wire cable runs from the last switch to the light. The electrical source is at the first 3 way switch and the hot wire connects to the common there.
To view it at full size click on the diagram. Wiring a 4 way switch with light at the end. 4 way switch wiring comes in real handy when you would like to control a light fixture from more than two locations. More about wiring a 4way switch. How to wire four way and three way switches with helpful wiring diagrams. Do you need a 3 way switch wiring diagram.
Because the electrical code as of the 2011 nec update requires a neutral wire in most new switch boxes a 3 wire cable runs between the light and switch. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. For complete instructions on wiring a basic 4 way switch see our wiring a 4 way switch article. This 3 way light switch wiring diagram shows how to do the light switch wiring and the light when the power is coming to the light fixture. A typical four way switch wiring diagram. I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects.
My old 4 way light switch broke. While wiring a 3 way switch is good enough for a staircase or hallway wiring a four way switch is crucial for the addition of a third forth or more switches. The red and black are used for hot and the white neutral wire at the switch box allows for powering a timer remote control or other programmable switch.