Electrical Circuit Quiz

What is the appropriate wire size for a 20-amp circuit breaker typically used for lighting circuits?

• AWG #12

• AWG #14

• AWG #10

• AWG #8

Which of the following fixtures can safely be connected to a 15-amp breaker?

• Water heater with a 2000-watt rating

• A ceiling fan with a 60-watt rating

• A refrigerator with a 1200-watt rating

• An air conditioning unit with a 2200-watt rating

What is the recommended breaker size for a circuit using AWG #10 wire?

• 10 amps

• 20 amps

• 30 amps

• 40 amps

If you are installing a circuit for a 30-amp breaker, which of the following wire sizes should you use?

• AWG #14

• AWG #12

• AWG #10

• AWG #8

Which breaker size is appropriate for a heavy-duty appliance such as an electric range requiring a load of 50 amps?

• 40 amps

• 50 amps

• 60 amps

• 70 amps

For a 40-amp circuit breaker, which wire size is typically recommended?

• AWG #8

• AWG #6

• AWG #12

• AWG #10

Which of the following appliances would require a dedicated 30-amp circuit?

• Microwave oven

• Electric dryer

• Dishwasher

• Ceiling fan

Which of the following devices is typically connected to a 20-amp circuit breaker?

• Electric grill with a 2000-watt rating

• Toaster with a 1200-watt rating

• Washing machine with a 1000-watt rating

• Electric kettle with a 1500-watt rating

For a 15-amp circuit, which wire gauge is generally recommended?

• AWG #16

• AWG #10

• AWG #14

• AWG #12

What is the maximum load that a 50-amp circuit breaker can handle?

• 50 amps

• 40 amps

• 60 amps

• 70 amps