Electric Circuit Quiz

What is a branch circuit?

• A circuit that supplies outlets for lighting and appliances

• The wiring installed between the circuit over current protective device

• The circuit conductors between the final over current protective device and the outlets

• The complete path traversed by an electric current

What is the maximum load in watts per square meter for a residential building, excluding porches, garages, and basements?

• 2400 watts for a 20 amps circuit

• 1200 watts for a 15 ampere circuit

• 1800 watts for a 15 ampere circuit

• 1600 watts for a 20 amps circuit

What is the purpose of an individual branch circuit?

• To supply outlets for lighting and appliances

• To supply a single specific item

• To supply outlets intended for feeding appliances

• To supply convenience receptacles

How far should a convenience outlet be from any point on a wall?

• 1 Meter

• 2 Meters

• 3 Meters

• 4 Meters

What is the maximum load in watts for a 20 amps circuit?

• 2000 watts

• 2200 watts

• 1800 watts

• 1600 watts

What is the minimum size of conductor wire for all convenience outlets in a general purpose branch circuit?

• #14 AWG

• #12 AWG

• #10 AWG

• #8 AWG

What are the six considerations for good circuitry design?

• Flexibility, Reliability, Safety, Economy, Energy, Space

• Flexibility, Efficiency, Safety, Cost, Energy, Space

• Flexibility, Reliability, Efficiency, Safety, Cost, Space

• Flexibility, Reliability, Efficiency, Economy, Energy, Space

What is the maximum size of conductor in mm2 if the ampere trip of the breaker is 20AT?

• 3.5 mm2

• 8 mm2

• 5.5 mm2

• 2.0 mm2

What is the maximum watts for a 30 amps circuit at 220 volts?

• 5760 watts

• 2880 watts

• 3840 watts

• 6720 watts

What is the branch circuit size for a 40 amps trip?

• #14 AWG

• #12 AWG

• #10 AWG

• #8 AWG