Plug the plug of the classification of what
such appliances must be added leakage protection, and grounding protection (that is, to three-pin plug). Such as air conditioning, machine tools, motors and so on.
International home appliances are divided into three categories:One category: electrical appliances is only one layer of insulation measures of electrical appliances
Headphone plug, dc plug, audio plug, usb plug, video plug, microphone plug, charger plug, phone plug and so on
