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FIIG:  T187-D

Entry Date:  Apr-01-1974

Concept:  

Status:  A

Applicability:  DF

Type:  0

Definition:  A device with switching facilities designed to move contacts over a number of terminals to which are connected circuits, over any one of which a signal to start the switch may be transmitted, in order to find the specific circuit from which the starting signal has come and to connect this circuit to another circuit associated with the finder switch. See also SWITCH, TELEPHONE, CROSSBAR.

Basic INC:  70248

Basic Name:  SWITCH

Description:  1. A device which completes, interrupts, or changes the connections in one or more electrical circuit(s) by electrical, electronic, manual or mechanical actuation, or as a result of changes in ambient temperature. It includes items consisting of individually separable switches which are physically interlocked (e.g., one button returns when the other is pushed), which have a common actuator, or are electrically connected. Excludes: items which perform the same function by self-produced thermal action, such as relays, circuit breakers, fuses, or motor starters.