Explain circuit-protection devices.

Explanation should include

  • defining
    • shorted circuit
    • open circuit
    • integrated circuit protection (ICP)
    • circuit breaker
    • fuse
    • fusible resistor
    • thermistor
  • describing the construction and operation of circuit-protection devices
  • demonstrating the use of a testing device to determine the condition of a circuit-protection device.

Process/Skill Questions:

  • What is the difference between a fuse and a circuit breaker?
  • When should a fuse or interlock be defeated?
  • What is the difference between an open circuit and a short circuit?