![My smart switch has 4 wires coming from it: a black wire, a blue wire, a white wire, and a green wire. My wiring in the installation spot is black, white, and My smart switch has 4 wires coming from it: a black wire, a blue wire, a white wire, and a green wire. My wiring in the installation spot is black, white, and](https://i.redd.it/tq1qzdy4e7g11.jpg)
My smart switch has 4 wires coming from it: a black wire, a blue wire, a white wire, and a green wire. My wiring in the installation spot is black, white, and
![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/ULUuv.jpg)
electrical - Looking to replace light switches - 2x blue, 2x black wires - Home Improvement Stack Exchange
![Brown Wire, Blue Wire and Green Stripe Wire-what are these? Which is black and hot and which is white? Brown Wire, Blue Wire and Green Stripe Wire-what are these? Which is black and hot and which is white?](https://www.ledlightexpert.com/cdn-cgi/image/quality%3D85%2Cformat%3Dauto/assets/images/LED_wiring_diagram_Brown_Blue_Green_stripe_wire.webp)
Brown Wire, Blue Wire and Green Stripe Wire-what are these? Which is black and hot and which is white?
![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://preview.redd.it/blue-to-black-white-to-white-yellow-ground-has-no-wire-to-v0-25wbxru8hov81.jpg?width=640&crop=smart&auto=webp&s=284cae24aa1d51122819a0b71a4dffc001a39c53)
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
![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)