6035ELECTPPT3

What is important to undertake before any kind of work starts on electrical appliances?

• Testing the appliance

• Safe isolation

• Reading the manual

• Checking the warranty

Which of the following is an example of an electrical appliance that requires safe isolation before work starts on it?

• Pumps

• Refrigerator

• Television

• Computer

Identify another electrical appliance that requires safe isolation before performing any work.

• Microwave

• Showers

• Blender

• Lamp

Which device is commonly used for temperature regulation in heating systems?

• Immersion heater

• Plug/spur

• Thermostat

• Light bulb

What is the purpose of an immersion heater?

• To regulate temperature

• To provide lighting

• To heat water in a tank

• To isolate electrical circuits

What is the maximum size for test probes according to the GS38 HSE testing equipment standard?

• 1mm

• 2mm

• 4mm

• 5mm

What should be used along with an approved voltage tester for safe isolation?

• Proving unit

• Multimeter

• Ammeter

• Oscilloscope

What is the recommended size for test probes according to the GS38 HSE testing equipment standard?

• 1mm

• 2mm

• 3mm

• 4mm

What should you check for before disconnecting the supply according to the safe isolation procedure?

• That all lights are turned off

• That there is no medical equipment plugged in that can't be disconnected

• That all doors and windows are closed

• That the main circuit breaker is turned on

What is the first step to take when proving an appliance is dead?

• Turn off the main circuit breaker

• Place probes onto the live and neutral on the appliance mains connection

• Lock and label the MCB

• Test the voltage indicator on a known source