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10 questions
Name the colour of each of the three wires in a mains plug.
Red
Blue
Green
Brown
Yellow and Green
Explain why each of the wires in a three-core mains cable is insulated.
To keep them warm
To keep them cool
To prevent electrical connection between them inside the cable
What is the name given to the blue wire?
Neutral Wire
Earth Wire
Live Wire
What is the name given to the brown wire?
Neutral Wire
Earth Wire
Live Wire
The neutral wire carries the current...
towards the appliance
out of the appliance
The fuse used in an electric appliance should be rated __________ than the operating current.
higher
lower
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