Smart Inside A 4 Way Switch

A similar page for 3 way switch circuits.

Inside a 4 way switch. 4 way switch wiring 4 way switches provide switching from three or more locations. If more than three switches are needed simply place more 4 way switches between the three way switches. Back to 3 way and 4 way light switches.

Four way switches are used in combination with three way switches. Use this if you began repairing and replacing a 4 way switch circuit and ran into problems. In the down position the current flows through the other two terminals.

My 4 way switches don t work. My 3 way switches don t work. A 4 way switch is used when you have three or more locations that operate a light or group of lights.

The lever does not have an on or off label. There are four terminals that provide two sets of toggle positions on a four way switch. A typical 3 way switch works by allowing current 2 pathways.

Four way switches are used to control lighting from three or more locations. Start here for practical circuits with different arrangments of switches and lights including proper color codes. As you will see most 4 way switch wiring is placed between the wiring of two 3 way switches therefore a 4way switch is installed with two 3way switches.

Each set of terminals is one of the toggle positions. In this episode i take apart a 3 way and 4 way switch and talk about how they work on the inside.