Hardeep Electrical Pvt.Ltd. Manufactures PVC Insulated Single Core Sheathed & Unsheathed Cables. Hardeep Electrical Pvt.Ltd. Is an ISO 9001:2008 registered company. Hardeep Electrical Pvt.Ltd. Supplies electrical wires and cables. PVC Insulated Single Core Sheathed & Unsheathed Cables are used for internal & external wiring and electrification of houses, offices, industries, multi, storied complexes etc. PVC Insulated Single Core Sheathed & Unsheathed Cables consists of sizes ranging from 0.05 mm sq. To 120.0 mm sq.