Requirements for Electrical Installations

The protection against fire caused by electrical equipment is:

• Insulation

• Grounding

• Circuit breakers

• All of the above

What precautions should be taken where particular risk of fire exists?

• Install smoke detectors and fire alarms

• Keep flammable materials nearby

• Ignore fire safety regulations

• Remove all fire extinguishers

What measures are taken for protection against burns?

• Wearing protective clothing

• Using sunscreen

• Applying cold water immediately

• All of the above

How is protection against overheating ensured?

• By using a cooling system

• By increasing the power supply

• By reducing the workload

• By using a heating system

What does Regulation 420.1 detail?

• Regulation 420.1 details safety protocols.

• Regulation 420.1 outlines financial guidelines.

• Regulation 420.1 specifies environmental standards.

• Regulation 420.1 describes employee conduct.

Which of the following is a harmful effect developed by electrical equipment?

• Ignition of materials

• Thermal radiation

• Safety services

• None of the above

What can cause ignition, combustion, or degradation of materials according to the chapter?

• Friction

• Moisture

• Temperature

• Pressure

What is one of the safety concerns related to electrical equipment failure?

• Increased efficiency

• Safety services being cut off

• Enhanced performance

• None of the above

What does Regulation 421.1.1 state about protection against electrical equipment?

• Regulation 421.1.1 states that electrical equipment must be protected against overload.

• Regulation 421.1.1 states that electrical equipment must be protected against short circuits.

• Regulation 421.1.1 states that electrical equipment must be protected against fire hazards.

• Regulation 421.1.1 states that electrical equipment must be protected against water damage.

According to Regulation 421.1.3, every piece of electrical equipment can give rise to what in normal operation?

• A. Heat

• B. Noise

• C. Vibration

• D. Electromagnetic interference