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 wire is coloured brown?


Question 2. Which is not a standard mains wire colour in the U.K?

Striped green and yellow.

Question 3. How does a fuse protect us?

It predicts large currents, then disables the device.
It detects when a large current flows, switching off the power.
It limits large currents, only allowing a set amount of current to flow.
It melts when a large current flows, breaking the circuit.

Question 4. What is the earth wire connected to inside the appliance?

The live components of the appliance.
The metal case or body of the appliance.
The power switch of the appliance.
The neutral power connection of the appliance.

Question 5. Which pin in a UK plug should connect to the blue wire?

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

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