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Terminal Blocks - Headers, Plugs and Sockets

Terminal blocks are electrical boards that are used to effectively connect the terminals of electrical components, such as wires and circuit boards. The first type of terminal blocks, known as headers, are designed to provide connectors for one or more signals. Headers can be single row, dual row or multi-row. Header terminals typically have an insulated base and a male or female terminal, which are held together by a nut and screw. The purpose of this is to ensure that the connection between the terminals is secure.

The second type of terminal blocks is plug and socket. Plug and socket terminal blocks are designed to provide interconnections between devices or other terminal blocks. They are typically available in three, four and five pole configurations to ensure that the two components are securely joined. The electrical connection between the two components is established through solderless terminals that are often soldered onto the holes on the plug and socket components, or by means of a special screw connector. Solderless plug and socket are used mainly in commercial or industrial applications.

Finally, the third type of terminal block is socket. Sockets are used to join fixed wiring or cables and components, and are widely used in such applications as low-voltage system wiring. Socket blocks come in either a board mount or free-standing format, and usually consist of a socket base, connectors and protective cover. They are designed to provide an electrical connection for components in areas where traditional wiring may be impractical.

Each type of terminal block has a different application field and working principle. Headers provide connectors for one or more signals, plugs and sockets provide interconnections between devices or other terminal blocks while sockets provide an electrical connection for components in areas where traditional wiring may be impractical. Regardless of the type of terminal block used, it\'s important to ensure that all the connections are secure and of the highest quality to avoid malfunctions and damage.