According to use classification:

Civil, industrial socket, waterproof plug socket, ordinary socket, power sockets, computer socket, phone video, audio socket socket, mobile socket; Usb socket {/ IEC60884 GB2099.1-2008-1:6, E3.1, MOD the plug sockets for household and similar purposes Part 1: general requirements definition} (Socket - outlet) power Socket, plug in the bolt is designed for use with us plug bush, and is equipped with soft cable used to connect terminal of electrical accessories.

(Fixed socket - outlet) Fixed socket, used for socket connected to the Fixed wiring.

Energy-saving socket

Energy-saving socket (9)

(Portable socket - outlet) movable socket: going to connect to soft cable or form whole and soft cable, and when connected to the power supply is easy to move from one place to another in the socket.

More than (Multiple socket - outlet) socket: the combination of two or more sockets.

Appliance Socket (Socket - outlet for appliances) : thinking in electrical or fixed to the electrical outlet.

(Rewirable plug-in or Rewirable protable socket - outlet) can remove the plug or can remove the movable socket: structure can replace the soft line of electrical accessories.

(Non - rewirable plug-in or Non - rewirable protable socket - outlet) do not remove the plug or do not remove the movable socket: connection and assembled by electrical accessories factory, on the structure and form an integral part of the soft cable electrical accessories.

Note: family wall socket belongs to fixed socket; Strip (pictured above) without the power cord and plug is called movable socket, take the plug form the whole call converter (Adaptor)

At ordinary times hole using a combination of the national standard of products should be belongs to the converter, conform to the standard is GB2099.3-2008 "household and similar use plug socket Part 2: the special requirements of converter (IEC60884-2 - from 95, MOD) converter is defined as a plug part and one or more of the socket part both as a whole unit of the movable electrical accessories. See photos of actual socket should be referred to most people jack to meet GB1002-2008 pass, namely pure national standard products.