文章来源： 时间：2022/03/11
| 序号 | 规格 | 护套标称厚度 | 电缆计算外径 | 电缆最大外径 |
| 芯数×标称截面mm2 | ||||
| 1 | 4×2.5 | 1.2 | 12.7 | 16.5 |
| 2 | 5×2.5 | 1.3 | 14.1 | 18.0 |
| 3 | 7×2.5 | 1.3 | 15.4 | 19.5 |
| 4 | 10×2.5 | 1.5 | 20.0 | 24.5 |
| 5 | 12×2.5 | 1.5 | 20.6 | 25.5 |
| 6 | 14×2.5 | 1.6 | 21.9 | 27.0 |
| 7 | 16×2.5 | 1.6 | 23.1 | 28.5 |
| 8 | 19×2.5 | 1.7 | 24.6 | 30.0 |
| 9 | 24×2.5 | 1.8 | 29.0 | 35.5 |
| 10 | 27×2.5 | 1.9 | 29.8 | 36.5 |
| 11 | 30×2.5 | 1.9 | 30.9 | 37.5 |
| 12 | 33×2.5 | 2.0 | 32.3 | 39.5 |
| 13 | 37×2.5 | 2.0 | 33.6 | 41.0 |
