1. Socket design: Voltage sockets in many countries can be easily plugged into a socket with a screwdriver, fork or child's finger. In the UK, at least two screwdrivers are needed to open a UK outlet. The grounding wire of the British plug is slightly longer than the grounding wire of the neutral wire. It is responsible for "opening" the protective door of the socket so that the neutral wire can be inserted and energized.
2. Built-in fuses: During World War II, due to the shortage of copper, the British government designed fuses on each plug instead of direct wiring. Although the built-in fuse increases the size of the UK plug, the surge protection is automatically cut off in the event of an accident. The power supply can effectively prevent accidents such as fires and electric shocks. Safer to use and easier to repair.
Finally, the British plug is not only very intuitive, but also carefully designed. Once the plug and wires are removed, the zero-fire wire is disconnected first and the ground wire remains connected, effectively preventing electric shock.
The British plug design is more people-oriented and safer. It has been handled very well from the details to the general, and it is safer than other plug types.