The electric meter box plays a crucial role in the power system. Firstly, it is the core equipment for energy metering. By installing energy meters, accurate measurement and monitoring of electricity consumption can be achieved, which is an important basis for electricity bill settlement. Secondly, the electric meter box has a protective function. When the current is overloaded or short circuited, the power supply can be cut off in a timely manner to prevent accidents and ensure the safety of users. In addition, the meter box also has the function of managing circuits and controlling power quality, helping users manage the number and load of circuits, prevent circuit overload, and ensure that the provided power quality meets standards. In summary, the meter box is an indispensable and important component of the power system, providing users with a safe, efficient, and reliable electricity environment.