GCSE Domestic Electricity Foundation 11

What colour is the live wire?

• Blue

• Brown

• Yellow/green

• White

What colour is the earth wire?

• Blue

• Brown

• Yellow/green

• White

What colour is the neutral wire?

• Blue

• Brown

• Yellow/green

• White

UK mains electricity is at a voltage of (a)   volts

UK mains electricity is at a frequency of (a)   hertz

Which wire is a safety wire?

• Live

• Neutral

• Earth

• Outer casing

Which wire is dangerous to touch?

• Live

• Neutral

• Earth

• Outer casing

Which wire completes the circuit?

• Live

• Neutral

• Earth

• Outer casing

Which type of current comes from the UK mains?

• Direct current (DC)

• Alternating current (AC)

Which type of current comes from batteries?

• Direct current (DC)

• Alternating current (AC)