Linked from
The 10 pages that link to Electrical contact, each with the reason it gives.
Electrical conductorRelated: Contact materials must conduct reliably where separate components meet.
RelayBroader topic: Relay contacts open or close the switched circuit as the mechanism moves.
BusbarRelated: Busbar joints depend on low-resistance contact across bolted or clamped surfaces.
Herman HollerithRelated: Pins passing through card holes completed circuits in Hollerith’s reader.
Electrical connectorBroader topic: The contacts form the conductive path across a mated connector.