Nominal Cross-Sectional Area of Copper(sq mm) | Aluminium conductor Size (mm) | Normal thickness of Insulation(mm) | Overall diameter (Maximum) mm. | Conductor Resistance at 20 degree (Max) Ohms/Km. |
---|---|---|---|---|
1.5 | 7/0.52 | 0.7 | 3.4 | 18.1 |
2.5 | 7/0.67 | 0.8 | 4.2 | 12.1 |
4.0 | 7/0.85 | 0.8 | 4.8 | 7.41 |
6.0 | 7/1.04 | 0.8 | 5.6 | 4.61 |
10.0 | 7/1.34 | 1.0 | 7.0 | 3.08 |
16.0 | 7/1.70 | 1.0 | 8.2 | 1.91 |
25.0 | 7/2.12 | 1.2 | 10.0 | 1.20 |
35.0 | 19/1.53 | 1.2 | 11.5 | 0.868 |
50 | 19/1.83 | 1.4 | 13.0 | 0.641 |