NPOSD WK#30

What is the purpose of grounding electrical systems?

• To provide a path for current to flow

• To protect against electric shocks

• To reduce electrical resistance

• To increase energy efficiency

Which of the following is a common cause of electrical fires?

• Overloading circuits

• Proper grounding

• Regular maintenance

• Low voltage

What is the recommended type of electrical outlets for wet areas, such as bathrooms?

• Ungrounded outlets

• GFCI outlets

• Surge protected outlets

• Three-pronged outlets

What should you do if you experience an electrical shock?

• Pour water over the affected area

• Apply a burn ointment immediately

• Remove the person from the electrical source

• Do nothing; it will subside on its own

What does the term “overloading” mean in electrical safety?

• Using too many electrical devices simultaneously

• Using energy-efficient appliances

• Overcharging a battery

• Insulating electrical wires

Which of the following is NOT a recommended practice for preventing electrical accidents?

• Avoiding the use of extension cords

• Regularly inspecting electrical equipment

• Using damaged electrical cords

• Keeping electrical devices away from water sources

What is the purpose of a circuit breaker in an electrical system?

• To regulate the flow of electricity

• To prevent overloading and short circuits

• To increase energy efficiency

• To generate electricity

What is the color coding for the ground wire in electrical systems?

• Red

• Black

• Green

• Yellow

What does the term “arc flash” refer to in electrical safety?

• A type of electrical insulation

• A sudden burst of light and heat during an electrical fault

• A safety switch used in high-voltage systems

• The process of grounding electrical systems

Which of the following should be done before working on electrical equipment?

• Use a metal ladder

• Wear insulated gloves

• Stand on a wet surface

• Keep the equipment plugged in