English
DeutschHeadphone plugs, DC plugs, audio plugs, USB plugs, video plugs, microphone plugs, charger plugs, mobile phone plugs, etc. Internationally, household appliances are divided into three categories:
Class 1: Electrical appliances are electrical appliances with only one layer of insulation measures. Such electrical appliances must be equipped with leakage protectors and grounding protection (that is, three-pin plugs). Such as air conditioners, machine tools, motors, etc.
Category II: Electrical appliances have double-layer insulation measures, and leakage protectors should be added, and grounding protection is not required (that is, two-pin plugs can be used). Such as TV, electric fan, table lamp, induction cooker, electric pottery cooker, etc.
Three categories: electrical appliances are electrical appliances that use safe voltage, generally 12-36V electrical appliances, such as mobile phones, notebook computers, etc.
