![home installation - Electric wiring color codes: BROWN, BLUE and BLACK - Electrical Engineering Stack Exchange home installation - Electric wiring color codes: BROWN, BLUE and BLACK - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/qVGd8.jpg)
home installation - Electric wiring color codes: BROWN, BLUE and BLACK - Electrical Engineering Stack Exchange
![What are the blue(brown sleeve) and black wires here? It's not immediately obvious from a quick research : r/DIYUK What are the blue(brown sleeve) and black wires here? It's not immediately obvious from a quick research : r/DIYUK](https://imgur.com/LxNsSUF.jpg)
What are the blue(brown sleeve) and black wires here? It's not immediately obvious from a quick research : r/DIYUK
![electrical - Looking to replace light switches - 2x blue, 2x black wires - Home Improvement Stack Exchange electrical - Looking to replace light switches - 2x blue, 2x black wires - Home Improvement Stack Exchange](https://i.stack.imgur.com/ZEnwd.jpg)
electrical - Looking to replace light switches - 2x blue, 2x black wires - Home Improvement Stack Exchange
![Blue to black, white to white, yellow ground has no wire to connect to? Do I leave this? This is my first time wiring a light : r/electrical Blue to black, white to white, yellow ground has no wire to connect to? Do I leave this? This is my first time wiring a light : r/electrical](https://i.redd.it/blue-to-black-white-to-white-yellow-ground-has-no-wire-to-v0-25wbxru8hov81.jpg?width=3024&format=pjpg&auto=webp&s=9ddccaa8473e242d56c638f5847fd1149d4d9aa8)
Blue to black, white to white, yellow ground has no wire to connect to? Do I leave this? This is my first time wiring a light : r/electrical
![home installation - Electric wiring color codes: BROWN, BLUE and BLACK - Electrical Engineering Stack Exchange home installation - Electric wiring color codes: BROWN, BLUE and BLACK - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/VYUO0.jpg)
home installation - Electric wiring color codes: BROWN, BLUE and BLACK - Electrical Engineering Stack Exchange
![Color Codes – Different color wires serve different purposes, like: Black : Hot wire, for switches or outlets. Red : Hot wire, for switch legs. Also for connect… Color Codes – Different color wires serve different purposes, like: Black : Hot wire, for switches or outlets. Red : Hot wire, for switch legs. Also for connect…](https://i.pinimg.com/736x/0f/41/80/0f4180cca5c376940d7741aa9445e699.jpg)