![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
![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)
3 pin plug UK type showing copper wires and insulation blue neutral brown live green and yellow earth on blue background Stock Photo - Alamy
![Electrical power cable close up. IEC standard color code. Cross-section with cable jacket, wire insulations in brown, blue and yellow-green color with flexible stranded copper wires. Macro photo. Stock Photo | Adobe Electrical power cable close up. IEC standard color code. Cross-section with cable jacket, wire insulations in brown, blue and yellow-green color with flexible stranded copper wires. Macro photo. Stock Photo | Adobe](https://as2.ftcdn.net/v2/jpg/01/33/94/29/1000_F_133942988_mJbYAwxmhVJp8AFjneR3RhGfSaIYFcvs.jpg)
Electrical power cable close up. IEC standard color code. Cross-section with cable jacket, wire insulations in brown, blue and yellow-green color with flexible stranded copper wires. Macro photo. Stock Photo | Adobe
![Blue And Brown Two Wires On A White Background Stock Photo, Picture and Royalty Free Image. Image 95254350. Blue And Brown Two Wires On A White Background Stock Photo, Picture and Royalty Free Image. Image 95254350.](https://previews.123rf.com/images/djekill2007/djekill20071802/djekill2007180200048/95254350-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 95254350.
![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)