... conductor ,PVC insulated ,PVC sheathed power cable For laying indoors, in tunnel or cable trench,unable to bear extermal mechanical forces. ... ,steel tape armoured ,PVC sheathed power cable For laying indoors, in cable trench or direct in ground ,able to bear external ... insulated, steel wire armoured,PVC insulated power cable For laying indoors, in cable or direct in ground ,able to bear external ...