... conductor,XLPE insulated,PVC sheathed Electrical cableFor laying indoors,in tunnels or cable trench,unable to bear external ... ,PVC sheathed Electrical cableFor laying indoors,in tunnel, cable trench,or direct in ground,able to bear external mechanical forces. ... PVC sheathed Electrical cableFor laying indoors,in tunnel, cable trench,well or direct in ground,able to bear external mechanical forces ...