Electrical Safety Quiz

What is the primary purpose of a Ground Fault Circuit Interrupter (GFCI)?

• To regulate voltage

• To protect against electrical fires

• To shut off power in the event of a ground fault

• To increase energy efficiency

Which of the following materials is the best conductor of electricity?

• Rubber

• Wood

• Copper

• Plastic

What should you do if an electrical appliance catches fire?

• Throw water on it

• Unplug it and use a Class C fire extinguisher

• Smother it with a blanket

• Use a fan to blow out the flames

What is the minimum safe distance to maintain from overhead power lines when working with ladders or equipment?

• 5 feet

• 10 feet

• 15 feet

• 20 feet

Why is it dangerous to use electrical appliances near water?

• Water can damage the appliance

• Water is a conductor and can cause electric shock

• Water can cause the appliance to overheat

• Water can short-circuit the appliance

What does the term "overloading a circuit" mean?

• Using a circuit breaker incorrectly

• Connecting too many devices to a single circuit, exceeding its capacity

• Using a higher voltage than recommended

• Running electrical wires too close together

Which of the following is a sign of an overloaded circuit?

• Flickering lights

• Warm or discolored outlets

• Frequent tripping of circuit breakers

• All of the above

What is the purpose of a circuit breaker?

• To increase the voltage in a circuit

• To protect against overcurrent and short circuits

• To reduce energy consumption

• To connect multiple appliances to one outlet

Why should you never use damaged or frayed electrical cords?

• They can cause electric shock or start a fire

• They are less energy-efficient

• They can damage the appliance

• They are harder to unplug

What should you do before working on an electrical circuit?

• Turn off the power at the breaker and test the circuit

• Wear rubber-soled shoes

• Use insulated tools

• All of the above