OVER HEAD DISTRIBUTION ALUMINIUM CABLES & ACSR CONDUCTORS: Wiring over-head line in two single core cable with aluminium conductor insulated with P.V.C. and P.V.C. sheathed overall 1100 volts grade on G.I. wire 4mm dia. with brass/ aluminium link clips cable. PVC insulated & PVC sheathed two single core aluminium conductor cable overall 1100 volts grade size 16mm² (1/1.40mm)