Electrical Installations Quiz

What is the primary reason to hire a professional electrician?

• To avoid permits

• To impress friends

• To save money

• To ensure safety

Which type of electrical installation is typically found in homes?

• Marine installations

• Industrial installations

• Residential installations

• Commercial installations

What is a key difference between commercial and residential installations?

• Commercial installations are simpler

• Residential installations are larger

• Commercial installations involve larger projects

• Residential installations require more electricians

What type of installation is necessary for a car to function?

• Vehicle installations

• Residential installations

• Boat installations

• Commercial installations

Which wiring type is considered temporary and rarely used today?

• Duct wiring

• Cleat wiring

• Lead-lined wiring

• Slat wiring

What is a disadvantage of hidden duct wiring?

• It is safe from external factors

• It is expensive compared to surface wiring

• It is aesthetically appealing

• It is easy to find faults

What is the purpose of a circuit breaker?

• To connect wires

• To prevent overloads

• To provide lighting

• To enhance aesthetics

Which type of wiring uses a lead aluminum alloy outer jacket?

• Cleat wiring

• Lead-lined wiring

• Housing and plug wiring

• Duct wiring

What is the recommended number of outlets per 110-volt circuit in a living room?

• Four outlets

• Eight outlets

• Six outlets

• Two outlets

What is a common feature of commercial electrical installations?

• They are always residential

• They are simpler than residential installations

• They encompass larger structures

• They require less expertise