PVC Cables Insulated electrical wires are used for transmission of low-voltage signals, electric motors, DC power transformers, panel boards, battery cables, etc. The characteristics of the flexible single core cable manufactured by us include good flexibility, adequate voltage resistance and manufacturing as per ISO standards. The flexible single core wire is available as Poly Flex brand PVC insulated wires, insulated electrical wires, unsheathed with bright annealed plain copper conductor, bunched and or stranded Plain Copper Conductor, PVC Insulated Unsheathed 6501100 V, Single Core Cables For Panel Board Wiring AS PER IS : 694:1990 with ISI Mark