Give an example of an electrical appliance which can cause electrocution

Appliances with a metal case can be dangerous; if the live wire becomes lose and touches the metal case, the case can become live/it will contract a poetical difference of 230 volts, which could give someone an electric shock if the touch the live case. The metal case is attached to the live wire and the live wire is connected into the ground with a metal rod so if the case becomes live a huge current flows the earth, the fuse metals and shuts down the current preventing someone from getting an electrical shock from touching the case