Grandlay Cables and Wires manufacture Mining Cables with Copper Conductor. Grandlay Cables and Wires is an ISO 9001:2000 certified company. The Company also manufactures XLPE/PVC Power and Control Cables, FR Low Smoke Cables, Railway Signalling, Arial Bunched Cables [ABC], Mining Cables and PVC Insulated Multi/Single Core Wires and FR-FRLS Wires. The Mining Cables with Copper Conductor finds an application in mines. The Mining Cables with Copper Conductor are manufactured in 1.1 KV and 3.3 KV. 3.3 KV cables. These Cables are double wire armoured to have higher mechanical protection. The conductivity of the armour is not less than 75% of the phase conductor.