起订量:

| 导体标称截面积mm2 | 绞合导体中单丝最少根数 | 绝缘厚度规定值mm | 平均外径 上限mm | 20℃时导体电阻值Ω/km | 70℃时绝缘电阻 最小值MΩ·km | |
| 铜芯 | 镀锡铜芯 | |||||
| 2.5 | 19 | 0.8 | 4.1 | 7.41 | 7.56 | 0.010 |
| 4 | 19 | 0.8 | 4.8 | 4.61 | 4.70 | 0.0079 |
| 6 | 19 | 0.8 | 5.3 | 3.08 | 3.11 | 0.0068 |
| 10 | 49 | 1.0 | 7.3 | 1.83 | 1.84 | 0.0066 |
| 16 | 49 | 1.0 | 8.6 | 1.15 | 1.16 | 0.0054 |
| 25 | 98 | 1.2 | 10.2 | 0.727 | 0.734 | 0.0051 |
| 35 | 133 | 1.2 | 11.7 | 0.524 | 0.529 | 0.0043 |
| 50 | 133 | 1.4 | 13.9 | 0.387 | 0.391 | 0.0042 |