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IC VOL 1 - Switches, Devices, and Cables
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What is a device used for making, breaking, or changing connections in an electrical circuit?
Switch
Which term refers to the maximum allowable voltage and current of the circuit in which the switch is to be used?
Rating
Switch contacts should be opened and closed quickly to minimize arcing; therefore, switches normally use which type of action?
Snap
The number of what indicates the number of terminals at which current can enter the switch?
Poles
Which property of a switch signifies the number of circuits each blade or contactor can complete through the switch?
Throw
Which type of switches are basic power switches from which most modern switches have been developed?
Knife
Which type of switches hold a circuit closed or open only as long as the operator deflects the actuating control?
Momentary contact
Which type of switches are devices that open or close circuits with a quick motion?
Rotary snap
Most snap switches are suitable for 450-volt, 60-Hz ac and how many-volt dc operation?
250
Which type of switches are constructed so they open or close one or more electrical circuits?
Pile
Author
Coreyk58
ID
359063
Card Set
IC VOL 1 - Switches, Devices, and Cables
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Updated
2020-10-04T01:37:27Z
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