Residential Wiring Devices Quiz

What is the standard voltage for electrical outlets in a residential home in the United States?

• 110 volts

• 120 volts

• 220 volts

• 240 volts

Which type of switch is commonly used to control a light from two different locations?

• Single-pole switch

• Double-pole switch

• Three-way switch

• Four-way switch

What is the primary function of a circuit breaker in a residential electrical panel?

• To increase voltage

• To prevent electrical fires by interrupting current flow

• To convert AC to DC

• To store electrical energy

Which of the following is a type of lighting fixture commonly used in residential homes?

• Fluorescent tube

• Incandescent bulb

• LED downlight

• All of the above

What is the purpose of grounding in electrical systems?

• To increase electrical resistance

• To provide a path for electrical current to the earth

• To reduce voltage

• To store electrical energy

Which wiring method is commonly used in modern residential construction?

• Knob and tube wiring

• Aluminum wiring

• Non-metallic sheathed cable (Romex)

• Open wiring on insulators

What is the purpose of bonding in electrical systems?

• To connect non-current-carrying metal parts to the grounding system

• To increase voltage

• To reduce electrical resistance

• To store electrical energy

Which of the following is a common type of circuit breaker used in residential panels?

• Oil circuit breaker

• Air circuit breaker

• Miniature circuit breaker (MCB)

• Vacuum circuit breaker

What is the typical amperage rating for a standard residential electrical outlet?

• 5 amps

• 10 amps

• 15 amps

• 20 amps

Which type of lighting is most energy-efficient for residential use?

• Incandescent

• Halogen

• Compact Fluorescent Lamp (CFL)

• Light Emitting Diode (LED)