| 对数×芯数×标称截面积 mm2 |
导体中单线最大直径mm | 绝缘厚度规定值 mm |
绝缘线芯平均外径上限mm | 屏蔽层密度 % |
护套厚度规定值 mm |
平均外径或外形尺寸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 | |||||||
| 2×2×0.12 | 0.16 | 0.4 | 1.5 | 60～80 | 0.8 | 5.1 | 8.2 | 167 | 173 | 0.016 |
| 2×2×0.2 | 0.16 | 0.4 | 1.6 | 60～80 | 0.8 | 5.5 | 8.9 | 97.8 | 101 | 0.013 |
| 2×2×0.3 | 0.16 | 0.5 | 2.0 | 60～80 | 0.8 | 6.3 | 10.2 | 73.4 | 75.5 | 0.014 |
| 2×2×0.4 | 0.16 | 0.5 | 2.1 | 60～80 | 0.8 | 6.5 | 10.6 | 51.1 | 52.6 | 0.012 |
| 2×2×0.5 | 0.21 | 0.5 | 2.3 | 60～80 | 0.9 | 7.3 | 11.7 | 41.4 | 42.5 | 0.012 |
| 2×2×0.75 | 0.21 | 0.5 | 2.4 | 60～80 | 1.0 | 8.0 | 12.8 | 27.6 | 28.3 | 0.010 |
| 2×2×1.0 | 0.21 | 0.6 | 2.8 | 60～80 | 1.0 | 8.9 | 14.2 | 20.7 | 21.2 | 0.011 |
| 2×2×1.5 | 0.26 | 0.6 | 3.1 | 60～80 | 1.0 | 9.6 | 15.4 | 14.1 | 14.5 | 0.0094 |
| 2×2×2.5 | 0.26 | 0.7 | 3.9 | 60～80 | 1.1 | 11.8 | 18.9 | 8.47 | 8.71 | 0.0086 |
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