The role of copper pins is to conduct electricity. Like some chargers, electrical plugs have copper pins. The copper pin is an essential part in the plug. Many electrical appliances cannot be started. So the copper feet are essential. There are many socket copper pins on the market. As the demand for electrical appliances is increasing, the demand for socket copper pins is also increasing. Although the socket copper pins are only small parts, they are very useful. Therefore, there are also high requirements for its quality. The copper pins of poor quality plugs are easily damaged. If the copper pins of an electrical appliance are damaged, it means that the electrical appliance cannot be energized or used. For us, the loss is very large, so we should pay attention to the copper pins of the plug when choosing electrical appliances.