More cards in this set

Sockets are made out of...

The longest pin of a three pin plug is designed so that it will make contact with the...

This is so that when you plug in an appliance with a metal casing to a wall socket...

Plugs have cases made out of...

The pins are made of brass because...

The inside of the case is shaped so that the wires and pins...

The fuse placed between the live pin and the live wire will...

Cables used for mains appliances consist of two or three...

Copper is a good...

Plastic is a good insulator and...