1.5mm2 Twin and Earth cable is a flat, PVC-sheathed electrical cable commonly used for lighting circuits in domestic and light commercial installations. It contains two insulated copper conductors (live and neutral) and an uninsulated earth wire for grounding. Designed for fixed wiring in dry indoor environments, it meets UK wiring regulations and is suitable for use in walls, ceilings, and other permanent installations where safe and reliable power distribution is required.