导体标称截面mm2 | 导体种类 | 绝缘厚度规定值mm | 平均外径上限mm | 70℃时最小绝缘电阻MΩ.km |
1.5 | 1 | 0.7 | 3.3 | 0.011 |
1.5 | 2 | 0.7 | 3.4 | 0.010 |
2.5 | 1 | 0.8 | 3.9 | 0.010 |
2.5 | 2 | 0.8 | 4.2 | 0.009 |
4 | 1 | 0.8 | 4.4 | 0.0085 |
4 | 2 | 0.8 | 4.8 | 0.0077 |