![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://external-preview.redd.it/3LMWc3xi8KQdxItkJMibSCktR43xo9ncRzwTquwLr6g.jpg?auto=webp&s=be8f14bf39af4029de1be6fad1e5e3ebb6aaf5ac)
What are the blue(brown sleeve) and black wires here? It's not immediately obvious from a quick research : r/DIYUK
![Understanding Earth, Neutral and Live Wires. Different Wires Sizes are used for different situation. C… in 2023 | Electrical wiring colours, Color coding, Electrical wiring Understanding Earth, Neutral and Live Wires. Different Wires Sizes are used for different situation. C… in 2023 | Electrical wiring colours, Color coding, Electrical wiring](https://i.pinimg.com/originals/20/ea/70/20ea700f1abeee9b78220f69ca6063e5.jpg)
Understanding Earth, Neutral and Live Wires. Different Wires Sizes are used for different situation. C… in 2023 | Electrical wiring colours, Color coding, Electrical wiring
![FLRY car wire, 1,5 mm² (AWG16), brown-blue, yard goods in connecting wire and accessory > bicolored car wires > 1,5 mm² wire size (AWG16) FLRY car wire, 1,5 mm² (AWG16), brown-blue, yard goods in connecting wire and accessory > bicolored car wires > 1,5 mm² wire size (AWG16)](https://www.ldm-tuning.de/pictures/A-7652.jpg)
FLRY car wire, 1,5 mm² (AWG16), brown-blue, yard goods in connecting wire and accessory > bicolored car wires > 1,5 mm² wire size (AWG16)
![Blue And Brown Two Wires On A White Background Stock Photo, Picture and Royalty Free Image. Image 95122167. Blue And Brown Two Wires On A White Background Stock Photo, Picture and Royalty Free Image. Image 95122167.](https://previews.123rf.com/images/djekill2007/djekill20071802/djekill2007180200049/95122167-blue-and-brown-two-wires-on-a-white-background.jpg)
Blue And Brown Two Wires On A White Background Stock Photo, Picture and Royalty Free Image. Image 95122167.
![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?
![3 pin plug UK type showing copper wires and insulation blue neutral brown live green and yellow earth on blue background Stock Photo - Alamy 3 pin plug UK type showing copper wires and insulation blue neutral brown live green and yellow earth on blue background Stock Photo - Alamy](https://c8.alamy.com/comp/B27HCB/3-pin-plug-uk-type-showing-copper-wires-and-insulation-blue-neutral-B27HCB.jpg)