Articles about Three Way Switches

I have a 6 year old who is terrified to walk down the dark hallway at night to get to the bathroom. I wanted to switch out the 3-way switch for a 3-way dimmer switch so I can leave the light on but dimmed so the whole hallway is illuminated.

How to wire three way switches with wiring connections and wiring diagrams.

Three way switch wiring diagrams to help when wiring replacement switches.