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Relay (disambiguation)

From Wikipedia, the free encyclopedia

A relay is an electric switch operated by a signal in one circuit to control another circuit.

Relay may also refer to:

Electrical engineering

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  • Protective relay, a device designed to trip a circuit breaker when a fault is detected.

Historical

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  • Stage station, a place where exhausted horses being used for transport could be exchanged for fresh ones
  • Cursus publicus, a courier service in the Roman Empire
  • Relay league, a chain of message-forwarding stations

Computer networking

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Other telecommunication

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Automobiles

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Other uses

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See also

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