Types of circuit brakes

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