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AQA · GCSE · Combined Science · Higher

Correcting the wires in a plug

Q01.1 1 mark

Figure 1 shows the inside of a plug.

Diagram of the inside of a three-pin plug with labelled parts: blue wire, green and yellow wire, neutral pin, cable, earth pin, live pin and brown wire. The blue and green/yellow wires are connected to the wrong pins.

Figure 1

Enlarged question image

Diagram of the inside of a three-pin plug with labelled parts: blue wire, green and yellow wire, neutral pin, cable, earth pin, live pin and brown wire. The blue and green/yellow wires are connected to the wrong pins.
Figure 1

The plug is not wired correctly.

What should be done to connect the wires in the plug correctly?

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Marking points

  1. 1 State that the blue wire and the green/yellow wire should be swapped, so the blue wire goes to neutral and the green/yellow wire goes to earth.

Full-mark answer

Swap the blue wire and the green and yellow wire.

Why this answer loses marks

The plug is wired incorrectly.

This repeats the question but does not say what change should be made.

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