PlugTest or PlugFest is a term used about an unofficial event where the designers of electronic equipment test the interoperability of their devices or designs to other equipment. For example CEA

Consumer Electronics Association

The Consumer Electronics Association is a standards and trade organization for the consumer electronics industry in the United States. The Consumer Electronics Association is the preeminent trade association promoting growth in the $173 billion U.S...

 organizes PlugFests for interoperability testing between HDMI

HDMI

HDMI is a compact audio/video interface for transmitting uncompressed digital data. It is a digital alternative to consumer analog standards, such as radio frequency coaxial cable, composite video, S-Video, SCART, component video, D-Terminal, or VGA...

 source

Source

Source may refer to:-Research:* Source text, in research , a source of information referred to by citation** Primary source, firsthand written evidence of history made at the time of the event by someone who was present...

, sink

Sink

A sink is a bowl-shaped plumbing fixture used for washing hands, for dishwashing or other purposes. Sinks generally have taps that supply hot and cold water and may include a spray feature to be used for faster rinsing...

 and repeater

Repeater

A repeater is an electronic device that receives asignal and retransmits it at a higher level and/or higher power, or onto the other side of an obstruction, so that the signal can cover longer distances.-Description:...

 devices. In the similar way VESA

VESA

VESA is an international standards body for computer graphics founded in 1989 by NEC Home Electronics and eight other video display adapter manufacturers.VESA's initial goal was to produce a standard for 800×600 SVGA resolution video displays...

 organizes PlugTests for DisplayPort

DisplayPort

DisplayPort is a digital display interface standard produced by the Video Electronics Standards Association . The specification defines a royalty-free digital interconnect for audio and video. The interface is primarily used to connect a video source to a display device such as a computer monitor...

 device designers and vendors. Similar PlugTests are organized to e.g. USB device vendors.