WorksheetsTypes of circuit brakes
Total questions: 10
Worksheet time: 5mins
What is a circuit braker?
A. A device used to detect ground faults
B. A mechanical switch that protects a circuit from damage caused by fault current
C. A device that provides 240 volts
D. A device that prevents electrical arcs
What must a circuit braker do?
D. Withstand the fault current and quickly extinguish the arc
A. Provide 120 volts
B. Break open the circuit for maintenance
C. Detect and remove hazardous arcing conditions
Which of the following is a type of circuit breaker?
D. Double-Pole circuit breakers
B. AFCI circuit breakers
A. GFCI circuit breakers
C. Single-Pole circuit breakers
When should you change circuit breakers?
B. When the appliances aren't working properly
C. When there is a burning smell
D. When the circuit breaker is working fine
A. When the lights are flickering
How to change circuit breakers?
C. Replace the breaker without checking for faults
B. Wear protective gear and shut off the power supply
D. Restore power to the main circuit breaker without testing
A. Remove the faceplate and discard the breaker
What do GFCI circuit breakers protect against?
B. Ground faults that can cause electrocution
A. Electrical arcs
C. Overloading
D. Short circuits
What is the purpose of AFCI circuit breakers?
D. To manually break open the circuit
C. To protect against ground faults
B. To detect and remove hazardous arcing conditions
A. To provide 240 volts
What do Single-Pole circuit breakers provide?
D. 20-60 amps
B. 120 volts
C. 15-20 amps
A. 240 volts
What do Double-Pole circuit breakers monitor?
D. The flow of four wires
A. The flow of one wire
C. The flow of three wires
B. The flow of two wires
What are signs that indicate you should change circuit breakers?
D. Flickering Lights
C. Burning Smell
B. Appliances Aren't Working Properly
A. Discolored or Singed Outlets
