Medium voltage 3.8/6.6kV power cables are designed to be used for the supply of electrical energy in fixed applications up to the rated voltages at a nominal power frequency between 49Hz and 61Hz, they are suitable for use in distribution installation, electrical power station , they are applied for installation, outdoors, underground where subject to mechanical damage.
AS/NZS 1429.1:2006Electrie cables-Polymeric insulated Part 1: For working voltages 1.9/3.3 (3.6) kV up to and including 19/33 (36) kV.
| Sectional Area of Conductor(CU) | Nom. Conductor Diameter | Nom. Insulation Thickness | Nom. Diameter Over insulation | Screen Area on Each core | Nom. Diameter Over Screened Wires | Nom. Overall Diameter | Approx. mass |
| mm² | mm | mm | mm | mm² | mm | mm | kg/100m |
| 16 | 4.8 | 2.5 | 11 | 15.9 | 12.4 | 17.9 | 53 |
| 25 | 5.8 | 2.5 | 12 | 17.6 | 13.6 | 19.1 | 65 |
| 35 | 6.8 | 2.5 | 13 | 17.6 | 14.5 | 20 | 76 |
| 50 | 8 | 2.5 | 14.1 | 17.6 | 15.6 | 21.1 | 90 |
| 70 | 9.6 | 2.5 | 15.7 | 17.6 | 17.3 | 22.8 | 110 |
| 95 | 11.5 | 2.5 | 17.6 | 17.6 | 18.9 | 24.4 | 140 |
| 120 | 13.1 | 2.5 | 19.2 | 17.6 | 20.5 | 26 | 160 |
| 150 | 14.5 | 2.5 | 20.6 | 17.6 | 21.9 | 27.4 | 190 |
| 185 | 16.1 | 2.5 | 22.2 | 17.6 | 23.5 | 29.2 | 230 |
| 240 | 18.5 | 2.6 | 24.9 | 17.6 | 26.1 | 31.8 | 290 |
| 300 | 20.7 | 2.8 | 27.6 | 17.6 | 29 | 34.9 | 350 |
| 400 | 23.6 | 3 | 30.9 | 17.6 | 32.1 | 38.2 | 440 |