IC VOL 1 - Switches, Devices, and Cables

  1. What is a device used for making, breaking, or changing connections in an electrical circuit?
    Switch
  2. Which term refers to the maximum allowable voltage and current of the circuit in which the switch is to be used?
    Rating
  3. Switch contacts should be opened and closed quickly to minimize arcing; therefore, switches normally use which type of action?
    Snap
  4. The number of what indicates the number of terminals at which current can enter the switch?
    Poles
  5. Which property of a switch signifies the number of circuits each blade or contactor can complete through the switch?
    Throw
  6. Which type of switches are basic power switches from which most modern switches have been developed?
    Knife
  7. Which type of switches hold a circuit closed or open only as long as the operator deflects the actuating control?
    Momentary contact
  8. Which type of switches are devices that open or close circuits with a quick motion?
    Rotary snap
  9. Most snap switches are suitable for 450-volt, 60-Hz ac and how many-volt dc operation?
    250
  10. 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
Description
Updated