Electrical Safety and Equipment Maintenance in Construction Industry

Which of these actions should be taken before beginning any maintenance work related to electrical appliances on a construction site?

• Never turn off the electricity.

• Disconnect the main power supply from the applicable fuse box before beginning the work.

• Identify all the wires related to the device.

• Always wear rubber gloves.

When dealing with electrical components, what method of maintenance should be followed?

• Replace old components with new ones.

• Replace any components with components of a different type.

• Inspect, adjust, and clean as necessary.

• Never repair a fault.

Which of the following is the correct way to protect any live electrical parts?

• Keep any cables away from the work space.

• Ensure to work with all cables insulated.

• Keep any tools away from the work space.

• Never use a metal equipment when measuring current.

Which type of protective equipment must be worn when working on electrical devices on a construction site?

• Safety goggles.

• Gloves.

• Ear protection.

• All of the above.

When working on an electrical appliance, why is it important to use insulated tools?

• To protect you from electric shocks.

• To prevent overloading the appliance.

• To ensure the appliance is disconnected from power.

• To avoid damaging other appliances.

Why should you never work on a live electrical device on a construction site?

• It could be dangerous.

• It could be illegal.

• It could damage the device.

• It could affect other devices.

What should you do if you detect a fault with an electrical component?

• Ignore it.

• Replace it with a new one.

• Immediately notify your supervisor.

• Find an alternative solution.

Which of the following should you not do when using electrical appliances on a construction site?

• Check the power switch is in the off position.

• Check for any damage to the cable or insulation.

• Use a damp cloth to clean the appliance.

• Plug in multiple appliances to one socket.

Why should you use a residual current device (RCD) on a construction site?

• To detect any faults on the construction site.

• To protect any exposed wires.

• To protect yourself from electric shocks.

• To better understand how electricity works.

When should an electrical appliance be tested?

• Before beginning work on it.

• After repairs are made.

• Before returning it.

• At regular intervals.