WorksheetsLevel 2 Health & Safety - Electrical Safety
Total questions: 15
Worksheet time: 8mins
What is the purpose of a cable finder?
To locate cables
To cut cables
To measure cable length
To test cable strength
Which of the following is NOT a feature of double-insulated products?
They have double layers of insulation.
They require an earthed metal casing.
They prevent dangerous voltage shocks.
They are class 2 appliances.
Why do double-insulated products not need a safety connection to earth?
They are made of non-conductive materials.
They have reinforced insulation.
They are always used indoors.
They are battery-operated.
What is the role of reinforced insulation in double-insulated products?
To make the product more durable
To protect live parts of the fitting
To reduce manufacturing costs
To improve energy efficiency
What is the purpose of locking and labeling after switching off the MCB?
To identify the source for the supply
To ensure the appliance is 'live'
To prevent accidental re-energization
To test the voltage indicator
What is the final step in the safe isolation process?
Prove the appliance is 'live'
Re-test the voltage indicator on a 'known source'
Identify the source for the supply
Switch off the MCB
Which of the following is a piece of safe isolation equipment?
Hammer
Multimeter
Screwdriver
Wrench
What is GS38 in the context of safe isolation equipment?
A type of wire
A plumbing tool
The HSE testing equipment standard
A brand of multimeter
Which of the following is an approved piece of equipment for testing voltage?
Voltage tester with proving unit
Light bulb
Battery
Fuse
What should always be done to avoid the supply being switched back on by mistake?
Remove the fuse
Lock and label
Turn off the main switch
Disconnect all appliances
Which action is NOT recommended during safe isolation?
Locking the device
Labeling the device
Removing the fuse
Retaining the fuse
What is the role of a fused spur in safe isolation?
To provide lighting
To control heating
To isolate electrical supply
To enhance signal strength
In the diagram, what is the function of the shower head?
To isolate the circuit
To provide water flow
To control the switch
To regulate pressure
What is the purpose of using two crocodile clips joined with a 10mm² earth cable?
To increase water flow
To prevent electric shocks if there is a fault
To enhance pipe durability
To improve signal strength
What is the recommended action if a fault occurs in the electrical system?
Increase the voltage
Use temporary continuity bonds
Cut all wires
Turn off the water supply
