Plugs and wires

• In the UK , the mains supply is alternating current and has a frequency of 50Hz and voltage of 230V.
• In the UK how many wires are there usually in an electric plug?

  3
• 3 wires..

  ~ Live wire

  ~ Neutral wire

  ~ Earth wire
• Wires are made of copper and coated in a layer of insulating plastic.
• Which wire is green and yellow?

  Earth wire
• Which wire is brown?

  Live wire
• Which wire is blue?

  Neutral wire
• Which wire prevents the electrical casing from becoming live?

  Earth wire
• Which wire supplies the current to the appliance?

  Live wire
• Which wire completes the circuit, allowing current to flow?

  Neutral wire
• What is the voltage of the neutral wire?

  0 V
• Touching the live wire will result in an electric shock.
• What is the voltage between the live and neutral wire?

  230 V
• Which 2 wires have the same voltage of 0?

  Earth and Neutral