| 芯数×标称截面积mm2 | 绝缘厚度规定值mm | 平均外径mm | 20℃时导体电阻最大值 Ω/km |
70℃时绝缘电阻 最小值MΩ·km |
||
| 下限 | 上限 | 铜芯 | 镀锡铜芯 | |||
| 2×0.5 | 0.8 | 2.5×5.0 | 3.0×6.0 | 39.0 | 40.1 | 0.016 |
| 2×0.75 | 0.8 | 2.5×5.0 | 3.2×6.4 | 26.0 | 26.7 | 0.014 |
| 2×1.0 | 0.8 | 2.5×5.0 | 3.3×6.6 | 19.5 | 20.0 | 0.013 |
| 2×1.5 | 0.8 | 2.5×5.0 | 3.6×7.2 | 13.3 | 13.7 | 0.012 |
| 2×2.5 | 0.8 | 2.5×5.0 | 4.1×8.2 | 7.98 | 8.21 | 0.0095 |
| 2×4.0 | 1.0 | 2.5×5.0 | 5.2×10.4 | 4.95 | 5.09 | 0.0094 |
| 2×6.0 | 1.0 | 2.5×5.0 | 5.8×11.6 | 3.30 | 3.39 | 0.0081 |
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