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Terminal blocks - Headers, Plugs and Sockets

Terminal blocks are the devices used for electrical connection in a variety of applications. They are available in a wide range of styles and shapes, depending on how many poles or contacts are required for a connection, and can also feature insulation or mounting options. The basic categories of terminal blocks are headers, plugs and sockets.

Headers

Headers are used to provide a replaceable terminal interface, typically to make wiring and interconnection easier. They often feature a collection of male pins mounted perpendicular to a printed circuit board (PCB) and feature a variety of mounting options such as through-hole mounting and surface mount. Headers also offer a wide range of insulation options such as low-voltage insulation, high-frequency insulation, and flame retardant insulation. They may also be designed with a variety of features to facilitate wiring and testing.

Plugs

Plugs are used for connecting and disconnecting wires and cables, typically in applications involving higher power and movable parts. They include power supply plugs, audio/video plugs, USB plugs, D-subminiature plugs, and telephone plugs. Some plugs feature wiring points in which a terminal block is connected to the wire, while others use a latch-lock system. The types of plugs available in the market may vary depending on the application.

Sockets

Sockets are devices used for connecting incoming and outgoing wiring, typically on equipment such as computers and other electronic devices. They provide a secure connection for the power cables while reducing the risk of short-circuiting. Sockets may be used with a variety of types of equipment, including electric stoves, coffee makers, and home theater systems. Sockets may also be used with a variety of different types of plugs, including power, USB, and audio/video plugs.

Terminal blocks – headers, plugs and sockets – are used in a wide variety of applications. They are available in different sizes and styles, depending on the type of connection required, and feature a wide range of insulation, mounting, and wiring options. They provide secure connections while also allowing quick and easy access to wiring for maintenance and repairs.

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