Classification of sockets

Classified by purpose:

Mobile socket

Civilian sockets, industrial sockets, waterproof sockets, ordinary sockets, power sockets, computer sockets, telephone sockets, video and audio sockets, mobile sockets; USB socket. GB2099.1-200/IEC60884-1:2006, E3.1, MOD "Household and Similar Use Plug and Socket Part 1: General Requirements" Definition

Socket outlet: An electrical accessory that has a socket designed to mate with a plug and is equipped with terminals for connecting flexible cables.

Multi functional USB socket

Fixed socket outlet: a socket used to connect with fixed wiring.

Portable socket outlet: A socket designed to be connected to or integrated with a flexible cable, and easy to move from one location to another when connected to a power source.

Multiple socket outlet: a combination of two or more sockets.

Socket outlet for appliances: a socket intended to be installed in or fixed to an appliance.

Rewurable plug or Rewurable protable socket outlet: an electrical accessory with a structure that allows for the replacement of flexible cables.

Non rewirable plug or non rewirable protable socket outlet: An electrical accessory that is connected and assembled by an electrical accessory manufacturer, and structurally integrated with a flexible cable.

Note: Home wall sockets belong to fixed sockets; A plug-in socket without a power cord and plug is called a mobile socket, while a plug-in socket that forms a whole is called an adapter

The products with national standard combination holes that are usually used should belong to converters, which comply with the standard GB2099.3-2008 "Household and Similar Use Plug and Socket Part 2: Special Requirements for Transformers" (IEC60884-2-5:1995, MOD). The definition of a converter is a mobile electrical accessory composed of a plug part and one or more socket parts as a whole unit. As shown in photo 1, most people mention that the socket should actually meet the GB1002-2008 hole type, which is a pure national standard hole product.