| English | eng-000 |
| two-wire circuit | |
| 普通话 | cmn-000 | 两线电路 |
| 普通话 | cmn-000 | 双线回路 |
| 普通话 | cmn-000 | 双线电路 |
| 普通话 | cmn-000 | 双线线路 |
| Deutsch | deu-000 | Zweileiterschaltung |
| English | eng-000 | duplicate line |
| English | eng-000 | twin line |
| English | eng-000 | two-wire system |
| русский | rus-000 | двухпроводная линия |
| русский | rus-000 | двухпроводная цепь |
| Türkçe | tur-000 | iki-telli devre |