... NameApplication VVCopper conductor ,PVC insulated,PVC sheathed electrical cableFor laying in doors,in tunnel or cable trench,unable to bear ... PVC insulated, steel tape armoured,PVC sheathed electrical cableFor laying in doors,in tunnels,in cable trench or direct buried ... insulated, fine steel wire armoured,PVC sheathed electrical cableFor laying indoors,in tunnels,cable trench,well or direct buried,able ...