overhead contact line for railways with one wire (Q113459116)
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the common system for rail electrification, DC or AC, one pole is the overhead wire, the other one is grounded and connected to the rails
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | overhead contact line for railways with one wire |
the common system for rail electrification, DC or AC, one pole is the overhead wire, the other one is grounded and connected to the rails |