China 30 40 Pairs PVC or PE Communication Armoured Telephone Cable Price, Find details about China Telephone Cable, Copper Cable from 30 40 Pairs PVC or PE Communication Armoured Telephone Cable Price
| Class 2 stranded conductors for single-core and multi-core cables | |||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Nominal crosssectional area | Minimum number of wires in the conductor | Maximum resistance of conductor at 20ºC | |||||||
| Circular | Circular compacted | Shaped | Annealed copper conductor | Aluminium or aluminium alloy conductor | |||||
| Cu | Al | Cu | Al | Cu | Al | Plain wires | Metal-coated wires | ||
| mm2 | Ω/KM | Ω/KM | Ω/KM | ||||||
| 0.5 | 7 | 36 | 36.7 | ||||||
| 0.75 | 7 | 24.5 | 24.8 | ||||||
| 1 | 7 | 18.1 | 18.2 | ||||||
| 1.5 | 7 | 6 | 12.1 | 12.2 | |||||
| 2.5 | 7 | 6 | 7.41 | 7.58 | |||||
| 4 | 7 | 6 | 4.61 | 4.7 | |||||
| 6 | 7 | 6 | 3.08 | 3.11 | |||||
| 10 | 7 | 7 | 6 | 6 | 1.83 | 1.84 | 3.08 | ||
| 16 | 7 | 7 | 6 | 6 | 1.15 | 1.16 | 1.91 | ||
| 25 | 7 | 7 | 6 | 6 | 6 | 6 | 0.727 | 0.734 | 1.2 |
| 35 | 7 | 7 | 6 | 6 | 6 | 6 | 0.524 | 0.529 | 0.868 |
| 50 | 19 | 19 | 6 | 6 | 6 | 6 | 0.387 | 0.391 | 0.641 |
| 70 | 19 | 19 | 12 | 12 | 12 | 12 | 0.268 | 0.27 | 0.443 |
| 95 | 19 | 19 | 15 | 15 | 15 | 15 | 0.193 | 0.195 | 0.32 |
| 120 | 37 | 37 | 18 | 15 | 18 | 15 | 0.153 | 0.154 | 0.253 |
| 150 | 37 | 37 | 18 | 15 | 18 | 15 | 0.124 | 0.126 | 0.206 |
| 185 | 37 | 37 | 30 | 30 | 30 | 30 | 0.0991 | 0.1 | 0.164 |
| 240 | 37 | 37 | 34 | 30 | 34 | 30 | 0.0754 | 0.0762 | 0.125 |
| 300 | 61 | 61 | 34 | 30 | 34 | 30 | 0.0601 | 0.0607 | 0.1 |
| 400 | 61 | 61 | 53 | 53 | 53 | 53 | 0.047 | 0.0475 | 0.0778 |
| 500 | 61 | 61 | 53 | 53 | 53 | 53 | 0.0368 | 0.0369 | 0.0605 |
| 630 | 91 | 91 | 53 | 53 | 53 | 53 | 0.0283 | 0.0286 | 0.0469 |
| 800 | 91 | 91 | 53 | 53 | 0.0221 | 0.0224 | 0.0367 | ||
| 1000 | 91 | 91 | 53 | 53 | 0.0176 | 0.0177 | 0.0291 | ||