... retardant) Cu, Al core PVC insulated, PVC sheathed power cable.For laying indoor, tunnel, underground and canal. Unable to ... Al core PVC insulated, steel Tape armoured, PVC sheathed power cable.For laying indoor, tunnel, underground and canal. Able to ... power cableFor laying in the water, seabed and large difference of level, able to bear large mechanical pressure and pulling force. overhead power ...