![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?width=640&crop=smart&auto=webp&s=5389a920a036ff1d41c3f15ffbc1ee73f177743a)
What are the blue(brown sleeve) and black wires here? It's not immediately obvious from a quick research : r/DIYUK
![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.
![Zexum 5673 2 Core 73 A Brown Blue 6942X Steel Wire Armoured SWA Outdoor Mains Power Cable, Black, 1 m : Amazon.co.uk: DIY & Tools Zexum 5673 2 Core 73 A Brown Blue 6942X Steel Wire Armoured SWA Outdoor Mains Power Cable, Black, 1 m : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/71cK5TJD8qL._AC_UF894,1000_QL80_.jpg)
Zexum 5673 2 Core 73 A Brown Blue 6942X Steel Wire Armoured SWA Outdoor Mains Power Cable, Black, 1 m : Amazon.co.uk: DIY & Tools
![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
A blue, a white, a black and a brown wire. Which of these wires are positive and negative for connecting a device with only two terminals to Mains? - Quora
![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)