![electrical - Why are their connected pairs of black and white wires in my light and switch boxes? - Home Improvement Stack Exchange electrical - Why are their connected pairs of black and white wires in my light and switch boxes? - Home Improvement Stack Exchange](https://i.stack.imgur.com/nVEoo.jpg)
electrical - Why are their connected pairs of black and white wires in my light and switch boxes? - Home Improvement Stack Exchange
![How To Wire A Light Switch With Two Black Wires | Home electrical wiring, Light switch, Diy electrical How To Wire A Light Switch With Two Black Wires | Home electrical wiring, Light switch, Diy electrical](https://i.pinimg.com/564x/9d/24/cd/9d24cdff2126669318ca95b1852be56f.jpg)
How To Wire A Light Switch With Two Black Wires | Home electrical wiring, Light switch, Diy electrical
![How do I connect a light to a switch when the light receives power first? | Electrical switch wiring, Light switch wiring, Home electrical wiring How do I connect a light to a switch when the light receives power first? | Electrical switch wiring, Light switch wiring, Home electrical wiring](https://i.pinimg.com/474x/dc/eb/a8/dceba824d349224e5806e32db9a2097d.jpg)
How do I connect a light to a switch when the light receives power first? | Electrical switch wiring, Light switch wiring, Home electrical wiring
![I'm replacing a light switch in my house. only one black and one red wire were connected. a white wire was not connected and just had electrical tape. the new switch looks I'm replacing a light switch in my house. only one black and one red wire were connected. a white wire was not connected and just had electrical tape. the new switch looks](https://i.redd.it/ec7feu3gymm81.jpg)
I'm replacing a light switch in my house. only one black and one red wire were connected. a white wire was not connected and just had electrical tape. the new switch looks
![Why is my light switch wire like this with the extra red wire, and why are there more white wires in the wall not going to the switch : r/askanelectrician Why is my light switch wire like this with the extra red wire, and why are there more white wires in the wall not going to the switch : r/askanelectrician](https://preview.redd.it/why-is-my-light-switch-wire-like-this-with-the-extra-red-v0-6g7h9cfzwx3b1.jpg?auto=webp&s=f0602d1043d468de74e2fd814c4e0155f589d81d)