Are there any implications if buildings are not rewired in UK to black, grey and brown wires? - Quora
Zexum 1.5mm 5 Core 23A Brown Black Grey Blue Green Yellow 6945X Steel Wire Armoured SWA Outdoor Mains Power Cable Electrical World
Zexum Grey 1.5mm 16A Brown Black Grey Three Core & Earth 6243Y Flat PVC/PVC Harmonised Lighting Power Cable Electrical World
![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)