Mains electricity

What is the name of the power supply that we use in our houses, that powers most of the things we use in our lives?

What is the voltage of the mains electricity supply?

Mains electricity is:

• Alternating current (A.C.)

• Direct current (D.C.)

Batteries are:

• Alternating current (A.C.)

• Direct current (D.C.)

What colour is the live wire?

• Blue

• Brown

• Yellow

• Green

What colour is the neutral wire?

• Blue

• Brown

• Yellow and Green

• Green

What colour is the earth wire?

• Brown and yellow

• Blue

• Green and yellow

• Green

Where in the plug does the neutral (blue) wire go?

• Bottom right

• Bottom left

• Top

Where in the plug does the live (brown) wire go?

• Bottom left

• Bottom right

• Top

Where in the plug does the earth wire go?

• Bottom left

• Bottom right

• Top