Electrical Safety Hazards Quiz

What can faults in electrical equipment potentially cause?

• Fire

• Water leakage

• Air pollution

• Rusting

Why can electricity be a source of fire or explosion on site?

• It can ignite flammable or explosive atmospheres

• It increases humidity

• It attracts insects

• It causes metal to corrode

A plumber is working in a house and finds several trailing cables across the floor. What should the plumber do to minimize electrical dangers?

• Secure or remove the trailing cables to prevent tripping and accidental contact.

• Ignore the cables as they are not a concern.

• Add more cables to the same area.

• Cover the cables with water.

Which of the following is a potential electrical hazard when working with brickwork?

• Hidden conduit in brickwork

• Exposed insulation

• Loose screws

• Overheated light bulbs

What is a risk associated with storing cables incorrectly?

• It can lead to electrical hazards.

• It improves cable performance.

• It reduces the risk of fire.

• It increases cable flexibility.

Why is it dangerous to use plug-in electrical equipment that has failed a PAT test or has an out-of-date PAT test?

• It may pose an electrical hazard.

• It will not function properly.

• It is more expensive to repair.

• It is heavier than other equipment.

What is the main hazard shown in the image?

• Exposed wires

• Overloaded socket

• Loose plug

• Melted fuse

What can happen if a machine, scaffold tube, ladder, or even a jet of water touches or gets too close to an overhead wire?

• Electricity will be conducted to the earth, potentially causing fire, explosion, or electric shock.

• The wire will automatically shut off.

• The machine will stop working but no harm will occur.

• The wire will become insulated.

Why is it important to establish how the level of risk has been determined in an electrical hazard assessment?

• To ensure the equipment is expensive

• To justify the need for new equipment

• To understand the basis for safety precautions

• To reduce paperwork

Which of the following best explains why cramped spaces with a lot of earthed metalwork are hazardous for electrical equipment use?

• It is difficult to avoid a shock if an electrical fault develops

• The equipment is more likely to overheat

• There is less air circulation

• The equipment is harder to operate