Episode 10 – What’s Inside A 3-way and 4-way Switch?

00:00 Intro
01:20 What’s inside of a 3-way and 4-way switch
02:00 Tabs and their positions
04:31 Terminals and current traveling input
05:35 Outro

In this episode I take apart a 3-way and 4-way switch and talk about how they work on the inside.

A typical 3-way switch works by allowing current 2 pathways to take through the device. If the switch is in one position it allows current to take one path. If the switch is flipped into a different position current will take a separate path.

4way switches operate virtually the same way, by offering 2 paths for current to travel, however a 4way switch has 2 inputs and 2 outputs. This differs from a 3way switch where you have one input and 2 outputs.

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