Two, three or four copper conductors with low temperature exelene insulation (RW90 XLPE) and bare copper bonding wire. Conductor assembly paper wrapped and covered with bare interlocked aluminum armour. Rated 600 V. For open and concealed wiring in dry locations only. For use in cable troughs and ventilated flexible cableways in dry locations only. Minimum recommended installation temperature minus 40 °C (with suitable handling procedures). Maximum conductor temperature 90 °C. Approved for use with ceiling fixtures.