The connectors and pins of general electronic products are called plugs. Household AC power plugs and sockets, with male connectors protruding in the shape of rods or copper plates, physically inserted into female connectors with slots or recesses. Size is an important technical requirement that affects the safe use of plugs, sockets, and converters, as well as whether they meet universal interchangeability requirements to avoid accidental insertion. Unqualified dimensions can affect users' use or create hidden dangers such as poor contact and incorrect insertion. It can cause equipment damage, and in severe cases, it can lead to fire and electric shock accidents Socket, also known as power socket or switch socket. A socket refers to a socket with one or more circuit wiring that can be inserted into, through which various wiring can be inserted. This facilitates connection to other circuits. The final connection and disconnection of this part of the circuit is achieved through the connection and disconnection between the circuit and the copper parts