Electricity is a precious resource which is responsible for powering commercial and household electrical appliances and facilities. It’s safe to say that air, water and electrical energy are key ...

You probably have at least ten three-pins plugs in your home, and more at work, but have you ever stopped to look at the pins? You'll notice that one of the three is longer than the others. Find out ...

A plug connects a device to the mains electricity supply. The cable between the device and the three-pin plug contains three copper wires that are coated with plastic. copper wires are good conductors ...

A plug connects a device to the mains electricity supply. The cable between the device and the three-pin plug contains three copper wires that are coated with plastic. Each wire in the mains cable has ...