https://www.npcelectric.com/wires-and-cables/rhz1-2ol-s-al-medium-voltage-power-cable-8-7-15kv-12-20kv-18-30kv-specifications.html
RHZ1-2OL(S)-AL 8.7/15 to 18/30kV Medium Voltage Cable | LSZH Fire-Safe Cable
RHZ1-2OL(S)-AL Medium Voltage Power Cable (8.7/15kV-18/30kV) with aluminium conductor and XLPE insulation. LSZH sheath for advanced fire performance.