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成品电缆导体直流电阻(Ω/KM,20℃);
| 截面 | 0.5 | 0.75 | 1.0 | 1.5 | 2.5 | 4 | 6 | |||||||
| 镀层 | TR | TRX | TR | TRX | TR | TRX | TR | TRX | TR | TRX | TR | TRX | TR | TRX |
| A/B类 | 36.0 | 36.7 | 24.5 | 24.7 | 18.1 | 18.2 | 12.1 | 12.2 | 7.41 | 7.56 | 4.61 | 4.7 | 3.08 | 3.11 |
| R类 | 39.0 | 40.1 | 26.0 | 26.7 | 19.5 | 20.0 | 13.3 | 13.7 | 7.98 | 8.21 | 4.95 | 5.09 | 3.3 | 3.39 |
2、绝缘电阻及绝缘标称厚度符合下表规定;
| 标称截面(mm2) | 绝缘标称厚度(㎜) | 绝缘电阻(≥MΩ/KM) | |
| 20℃ | 70℃ | ||
| 0.5 | 0.6 | 13 | 0.013 |
| 0.75 | 0.6 | 12 | 0.012 |
| 1.0 | 0.6 | 11 | 0.011 |
| 1.5 | 0.7 | 11 | 0.011 |
| 2.5 | 0.8 | 10 | 0.010 |
| 4 | 0.8 | 8.5 | 0.0085 |
| 6 | 0.8 | 7 | 0.0070 |
| 10 | 1.0 | 6.5 | 0.0065 |