624B Twin & Earth LSZH Cable 300/500V BS7211 still states "Standard: BS7211 Electric cables. Thermosetting insulated, unarmoured cables for voltages up to & including 450/750V, for electric power, lighting & internal wiring, and having low emission of smoke and corrosive gases when affected by fire."
624Y Twin & Earth PVC Cable BS6004 A05VVH4-U still states "Standard: BS6004 Electric cables. PVC insulated, nonarmoured cables for voltages up to and including 450/750V, for electric power, lighting and internal wiring, BASEC approved"