EntityQ4459608· pop 17· linked from 2,137 articlescurrent collectorSign in to savedevice used to carry electrical power from overhead line or contact rail (electrical third or rarely even fourth rail) to a vehicleConnectionsoverhead contact lineEntityrailway electrification systemEntityrubber-tyred metroEntitybumper carEntityelectric currentEntitytramEntitytransformerEntitydigital object identifierEntityelectric motorEntitypulleyEntityLondon UndergroundEntitytrolleybusEntityNew York City SubwayEntityrailway trackEntityelectric powerEntityinsulatorEntityelectrodeEntityelectrical switchEntitygroundEntityrailEntityCategoriesElectric rail transportTrolleybus transport