用电量与线径对照参考表
说明：一般的电缆可以耐温70℃，交联聚乙烯绝缘电缆可以耐温90℃，辐照聚烯烃绝缘的
电缆可以耐温到150℃，硅橡胶电缆可以耐温180℃，氟塑料电缆可以耐温260℃。
| 序号 | 电流（功率） | 三相mm2 | 零线mm2 | 地线mm2 | 单相mm2 | 地线mm2 |
|---|---|---|---|---|---|---|
| 1 | 10A(6.5kw) | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
| 2 | 16A(10.5kw) | 4 | 4 | 4 | 4 | 2.5 |
| 3 | 24A(16kw) | 6 | 4 | 4 | 6 | 4 |
| 4 | 32A(21kw) | 6 | 4 | 4 | 6 | 4 |
| 5 | 40A(26kw) | 10 | 6 | 6 | 10 | 6 |
| 6 | 50A(33kw) | 16 | 10 | 10 | 16 | 10 |
| 7 | 63A(39kw) | 25 | 10 | 10 | 25 | 10 |
| 8 | 75A(49kw) | 25 | 16 | 16 | 25 | 16 |
| 9 | 100A(66kw) | 35 | 25 | 25 | 35 | 25 |
| 10 | 125A(82kw) | 50 | 25 | 25 | - | - |
| 11 | 150A(99kw) | 70 | 35 | 35 | - | - |
| 12 | 175A(115kw) | 95 | 50 | 50 | - | - |
| 13 | 200A(132kw) | 120 | 70 | 70 | - | - |
| 14 | 225A(148kw) | 120 | 70 | 70 | - | - |
| 15 | 250A(165kw) | 150 | 95 | 70 | - | - |
| 16 | 300A(197kw) | 150 | 95 | 70 | - | - |
| 17 | 350A(230kw) | 185 | 120 | 95 | - | - |
| 18 | 400A(263kw) | 240 | 120 | 95 | - | - |
| 19 | 500A(329kw) | 300 | 150 | 95 | - | - |
| 20 | 600A(395kw) | 400 | 185 | 95 | - | - |
| 21 | 700A(460kw) | 500 | 240 | 95 | - | - |
| 22 | 800A(527kw) | 625 | 240 | 95 | - | - |
| 23 | 1000A(658kw) | 1000 | 400 | 95 | - | - |
