| 기호 | 적용전선 | |
| 주선 | 분기선 | |
| SGW 22 | 22 | 22 |
| SGW 44 | 38 | 22~38 |
| SGW 62 | 60 | 22 |
| SGW 66 | 60 | 38~60 |
| SGW 1002 | 100 | 22 |
| SGW 1006 | 100 | 38~60 |
| SGW 1010 | 100 | 100 |
| SGW 1506 | 150 | 38~60 |
| SGW 1515 | 150 | 100~150 |
| SGW 2004 | 200 | 38 |
| SGW 2010 | 200 | 60~100 |
| SGW 2020 | 200 | 150~200 |
| SGW 2515 | 250 | 100~150 |
| SGW 2525 | 250 | 200~250 |