... 160 oC.3. The power cable is not limited by drop in level when being laid, and the ambient temperature shall not ... VVCopper conductor ,PVC insulated,PVC sheathed electrical cableFor laying in doors,in tunnel or cable trench,unable to bear external mechanical ... , steel tape armoured,PVC sheathed electrical cableFor laying in doors,in tunnels,in cable trench or direct buried,able to bear external ...