WORKING WITH ELECTRICAL EQUIPMENT IN THE WORKPLACE P2

What is the primary reason for using different-shaped plugs and sockets in the construction industry compared to those used at home?

• To reduce manufacturing costs

• To keep moisture and dirt out of the connection

• To make them aesthetically pleasing

• To ensure compatibility with home appliances

What is the purpose of a residual current device (RCD) in electrical systems?

• To increase the voltage supply

• To provide a backup power source

• To stop the supply of electricity when a fault is detected

• To enhance the speed of electrical flow

Where are RCDs commonly found in a work environment?

• On a plug, on an extension lead, or on a fixed socket in a wall

• Inside the main power generator

• Attached to the ceiling lights

• Embedded in the floor tiles

According to the Electricity at Work Regulations 1989, what is required of electrical equipment?

• It must be painted in bright colours

• It must be regularly tested for safety

• It must be used only during daylight hours

• It must be stored in a locked cabinet

What voltage supply is typically used in the construction industry for mains-powered tools?

• 240 V

• 110 V

• 12 V

• 400 V

What is the function of a transformer in an electrical system?

• To convert electrical energy into mechanical energy

• To change the voltage level of an electrical supply

• To store electrical energy for later use

• To measure the current flow in a circuit

What is the purpose of a cable cover protector in construction?

• To enhance the aesthetic appeal of cables

• To protect cables from physical damage

• To increase the length of the cables

• To reduce the weight of the cables

What is the typical unit of measurement for shorter distances in Great Britain?

• Miles

• Kilometres

• Feet/metre

• Inches

What is the standard unit of weight for items over 10 kg in Great Britain?

• Pounds

• Ounces

• Kilograms

• Stones

What is the standard unit of temperature used in Great Britain?

• Fahrenheit

• Kelvin

• Celsius

• Rankine