| Conductor |
Aluminium or Copper (stranded/compacted, circular or sector) |
| Conductor Screen |
Extruded semiconducting compound |
| Insulation |
XLPE as per IS 7098 (Part 2) |
| Insulation Screen |
Extruded semiconducting compound |
| Metallic Screen |
Copper tape (as required) |
| Inner Sheath |
PVC or PE with non-hygroscopic filler |
| Armour |
GI strip/wire or Aluminium wire (for single-core) |
| Outer Sheath |
PVC-ST2 / FR, FRLSH, PE and UV-stable options |
| Voltage Rating |
Up to 33 kV AC |
| Test Voltage |
24 kV (for 11 kV cables) / 39 kV (for 33 kV cables), 5 min duration |
| Operating Temp. |
–15 °C to +90 °C (continuous) |
| Short-Circuit Temp. |
Up to 250 °C |
| Min. Bending Radius |
15 × overall cable diameter (IS may allow 12D in special cases) |