5.2 Plugs and cables

The type of current where charges flow in one direction

• Direct Current
• Alternating Current
• Electron Flow
• Voltage

The type of current where flow of charge changes direction

• Alternating Current

• Direct Current

• Voltage

• Switchback Current

What colour is the neutral wire in a three pin plug

• Red
• Blue
• Green and yellow

What colour is the earth wire in a three pin plug

• Red
• Blue
• Green and yellow

What colour is the live wire in a three pin plug?

• Red

• Blue

• Green and yellow

• Brown

What is the purpose of the neutral wire in a three pin plug?

• To provide a return path for the current to the power station
• To provide a return path for the current to the earth in case of electrical fault
• To provide the electric current to the device

What is the purpose of the earth wire in a three pin plug?

• To provide a return path for the current to the power station
• To provide a return path for the current to the earth in case of electrical fault
• To provide the electric current to the device

What is the purpose of the live wire in a three pin plug?

• To provide a return path for the current to the power station
• To provide a return path for the current to the earth in case of electrical fault
• To provide the electric current to the device

Which of the following labels correctly identifies the Cable Grip on the diagram of a UK electrical plug?

• C
• D
• E
• F

Which of the following labels correctly identifies the Outer Insulation on the diagram of a UK electrical plug?

• C
• D
• E
• F