... indoor ,tunnel,canal and underground.Unable to bear external mechanical forces,but bear the traction force during laidYJV22 ... ,steel tape armored,PVC/PE sheathed power cableFor laying indoor ,tunnel,canal and underground.Able to bear external mechanical ... underground will large difference of level.Able to bear external mechanical forces and moderate pulling forceYJV42/YJV43YJLV42/YJLV43XLPE insulated ...