| 导体芯数和标称截面积mm2 | 绝缘厚度规定值mm | 护套厚度规定值mm | 平均外径mm | 70℃时绝缘电阻 最小值MΩ·km |
|
| 下限 | 上限 | ||||
| 2×0.75 | 0.6 | 0.8 | 5.7或 3.7×6.0 |
7.2或 4.5×7.2 |
0.011 |
| 2×1.0 | 0.6 | 0.8 | 5.9或 3.9×6.2 |
7.5或 4.7×7.5 |
0.010 |
| 2×1.5 | 0.7 | 0.8 | 6.8 | 8.6 | 0.010 |
| 2×2.5 | 0.8 | 1.0 | 8.4 | 10.6 | 0.009 |
| 3×0.75 | 0.6 | 0.8 | 6.0 | 7.6 | 0.011 |
| 3×1.0 | 0.6 | 0.8 | 6.3 | 8.0 | 0.010 |
| 3×1.5 | 0.7 | 0.9 | 7.4 | 9.4 | 0.010 |
| 3×2.5 | 0.8 | 1.1 | 9.2 | 11.4 | 0.009 |
| 4×0.75 | 0.6 | 0.8 | 6.6 | 8.3 | 0.011 |
| 4×1.0 | 0.6 | 0.9 | 7.1 | 9.0 | 0.010 |
| 4×1.5 | 0.7 | 1.0 | 8.4 | 10.5 | 0.010 |
| 4×2.5 | 0.8 | 1.1 | 10.1 | 12.5 | 0.009 |
| 5×0.75 | 0.6 | 0.9 | 7.4 | 9.3 | 0.011 |
| 5×1.0 | 0.6 | 0.9 | 7.8 | 9.8 | 0.010 |
| 5×1.5 | 0.7 | 1.1 | 9.3 | 11.6 | 0.010 |
| 5×2.5 | 0.8 | 1.2 | 11.2 | 13.9 | 0.009 |
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