Power adapter is a power supply conversion device for small portable electronic equipment and electronic appliances. It is generally composed of a casing, a power transformer and a rectifier circuit. According to its output type, it can be divided into AC output type and DC output type; Divided into wall type and desktop type. It is widely used in the equipment such as telephone handsets, game consoles, language repeaters, walkmans, and notebook computers.
Generally, there are plugs in European, American, British, Australian, Japanese and international specifications.
British regulations: AC plug-UK
Australian regulations: AC plug-AU
American regulations: AC plug-US
European regulations: AC plug-EU
Japanese standard: AC plug-PSE
It can be distinguished from the shape. The national standard (domestic standard) is similar to the American standard, except for the two holes of the plug.
