| русский | rus-000 |
| двухпроводная линия | |
| English | eng-000 | balanced line |
| English | eng-000 | double line |
| English | eng-000 | double-wire line |
| English | eng-000 | line loop |
| English | eng-000 | loop line |
| English | eng-000 | pair |
| English | eng-000 | pair line |
| English | eng-000 | pair of wires |
| English | eng-000 | twin lead |
| English | eng-000 | twin-wire line |
| English | eng-000 | two-wire circuit |
| English | eng-000 | two-wire line |