This standard provides calculated ratings for the following cables' Type 1: 600 V-5 kV unshielded extruded dielectric Type 2: 5-15 kV two conductor shielded URD single phase extruded dielectric Type 3: 5-46 kV single conductor extruded dielectric Type 4: 69-138 kV single conductor, unfilled, crosslinked polyethylene Type 5: 69-138 kV single conductor, filled crosslinked polyethylene and ethylene propylene rubber Type 6: 5 kV and 15 kV three conductor extruded dielectric Type 7: 5-35 kV single conductor paper insulated, lead sheathed Type 8: 5-35 kV, three conductor, paper insulated, lead sheathed, shielded Type 9: 69-500 kV, single conductor, self contained, paper insulated, liquid filled Type 10: 69 kV, three conductor, self-contained, paper insulated, liquid filled Type 11: 69-500 k V high pressure, paper insulated, liquid filled, pipe type Type 12: 115-500 kV high pressure, laminated paper, polypropylene insulated, liquid filled, pipe type Type 13: 69-138 kV high-pressure gas-filled, pipe type Installation conditions include duct banks (as shown in figure I), direct buried cables, cables buried in ducts, buried pipes, horizontal cable in ducts, in air and vertical non-vented riser cables. The various operating conditions for each of the cable designs and installation conditions are described in the technical features of the tables (clause 3).