Light switch

/lˈaɪt swˈɪtʃ/

Light switch

an electrical device that controls the flow of electricity to a light fixture, allowing users to turn the light on or off

Examples

1. A light switch has a mechanical input and an electrical output.

2. Flick the light switch.

3. And the major tech invention in 1917 was the toggle light switch!

4. "I have pipes in my light switches?"