Science (fuses & wires)

What is the colour code for neutral wire?

• Blue

• Red/Black

• Green/Yellow

• Brown

The brown colour wire stands for...

• earth wire

• copper wire

• live wire

• neutral wire

The colour code for earth wire is....

• Blue

• green/yellow

• Brown

• Red/black

Why must appliances be earthed?

Earth wire must be connected to the ____ of appliances.

What is the meaning of earth wire?

• The wire is connected to the ground at home and building

• The wire brings electricity from the generating station to our home

• The wire is at zero volts and it is connected to the ground at generating station

What is the meaning of neutral wire?

• The wire is connected to the ground at home and building

• The wire brings electricity from the generating station to our home

• The wire is at zero volts and it is connected to the ground at generating station

What is the meaning of live wire?

• The wire is connected to the ground at home and building

• The wire brings electricity from the generating station to our home at 240V

• The wire is at zero volts and it is connected to the ground at generating station

What is meant by double insulation?

Which is correct in which fuses and switches should be connected?

• A

• B

• C

• D