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Terminal blocks, headers, plugs and sockets can be found in all kinds of electronic connection applications, from circuit boards and power systems to data centers and communication networks. They are used to join and provide power and data connections for a variety of devices, components and systems.

Terminal blocks are indispensable building blocks in the world of electronic systems, as they provide a quick and safe connection between two or more conductors. Terminal blocks are often referred to as \'headers\' because the contacts at the terminal points are often two-pole \'headers\' that terminate electrical signals within a junction block. The headers contain the pins that make contact with the circuit board pads.

Headers are further subdivided into two types – male and female. Males are on the circuit boards and females are in the mating connectors. Males and females can be used in a flipped/alternated format for more flexibility in the design of the circuit.

To complete the connection between a circuit board and a cable, plugs and sockets are used. Plugs are either single-ported or multi-ported, but most plugs are designed to fit into female sockets. An advantage of multi-ported plugs is that they enable multiple circuits or applications to be connected in a single plug. This helps to reduce the number of wires or cable that needs to be connected in a system.

Sockets are also available in various types, such as panel-mounted or surface-mounted sockets. Panel-mounted sockets are wall-mounted, so the panel needs to be perforated and the connector must cut out of the panel and secured with screws. Surface-mounted sockets ideal for interconnecting two circuit boards where space is limited.

When it comes to traditional headers, another useful feature is the ability to add a jumper or link to connect two side-by-side headers with a single connection. This allows a connection between two circuits without having to use an extra wire or a separate header.

Terminal blocks, headers, plugs and sockets are essential components for electronic systems. They provide a quick and secure connection between two or more conductors, enabling fast and accurate power and data transmission. A wide range of terminal blocks, headers, plugs and sockets are available in the market and can be used in a variety of applications.

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