Snapquiz - Household Electrical Safety

This is the Snapquiz on Household Electrical Safety. Click here or use the embedded video if you haven't watched the lesson yet.


Question 1. Which pin in a UK plug should connect to the blue wire?

Top centre.
Any - it doesn't matter.
Bottom right.
Bottom left.


Question 2. Why might an appliance not need to use the earth wire?

It only needs a 3A fuse.
It's double-insulated (non-conductive body) and low power.
It would cost more to use an earth connection.
It uses an AC supply.


Question 3. If an appliance draws a 4A current which standard fuse value (for the UK) should be used in its plug?

5A.
4A.
3A.
13A.


Question 4. Which is not a standard mains wire colour in the U.K?

Blue.
Striped green and yellow.
Brown.
Black.


Question 5. Which wire is coloured brown?

Earth.
Neutral.
Mains.
Live.


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