How do you wire a light switch?

1:514:52How to Wire Switches and Lights - YouTubeYouTubeStart of suggested clipEnd of suggested clipScrew. When the switch is flipped up power flows up the black wire to the light fixture and theMoreScrew. When the switch is flipped up power flows up the black wire to the light fixture and the light turns on when the switch is flipped down the circuit is broken and no power flows to the light.

How do you wire a 2 way light switch UK?

2:557:05Two Way Switching Explained - How to wire 2 way light switch - YouTubeYouTube