Power Tools Safety and Understanding

According to the HSE, approximately how many deaths occur each year in the construction industry due to electric shock?

• 10

• 20

• 30

• 40

What are some causes of accidents in the construction industry as reported by the HSE?

• Falling from heights

• Contact with live parts of electricity cables

• Slipping on wet surfaces

• Inhaling toxic fumes

Under which regulations do employers have a duty to assess risks and hazards in the workplace?

• Health and Safety at Work Act 1974

• Electricity at Work Regulations 1989

• Control of Substances Hazardous to Health Regulations 2002

• Management of Health and Safety at Work Regulations 1999

What is the domestic main supply voltage in most households?

• 110 volts

• 230 volts

• 415 volts

• 120 volts

What voltage is commonly used on construction sites by reducing the mains supply with a transformer?

• 230 volts

• 415 volts

• 110 volts

• 240 volts

What device is used to reduce the risk of serious electric shock from mains supplies?

• Transformer

• Circuit breaker

• Residual current device (RCD)

• Voltage regulator

What voltage should be avoided on construction sites if possible?

• 110 volts

• 230 volts

• 120 volts

• 240 volts

What should be checked on power tools and extension leads?

• Color of the cords

• Length of the cords

• Plugs and cords for cracks, splits, or damage

• Brand of the tools

What should be ensured about wires around plugs and sockets?

• They are colorful

• They are not exposed

• They are flexible

• They are long

Why should leads and power cables be kept above head height?

• To avoid trip hazards.

• To make them more accessible.

• To keep them out of sight.

• To prevent electrical surges.