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Terminal Blocks - Headers, Plugs and Sockets are electronic components used to connect two or more circuits. Terminal Blocks are used in a wide range of industrial, commercial and consumer markets including industrial automation, medical equipment, network broadcasting, telecommunications and automotive. Terminal Blocks are available in various sizes, shapes, and materials depending on the application. They are used for power and signal connection.

Terminal block headers, plugs and sockets are designed to make electrical connections between two or more wires or circuits. The terminal block headers, plugs and sockets provide a simple, cost effective way to keep wires in place and controlled by preventing the falls out of captive wires. It can also reduce the complexity of installation time.

The terminal block header consists of a body with pins protruding from the top for connection to other plugs or sockets. It also has grooves or channels which act as a guide to help align wires for secure connections. The header pins are designed to be inserted into the sockets to make electrical connections. The socket will then allow the wires to be connected to the header pins to complete the circuit.

Plug and socket terminals are also available in a variety of shapes and sizes for use in different applications. The wire ends of these plugs are similar to terminal blocks, except they are smaller in size and may have more pins. They are typically used to connect multiple wires within a device or in an electrical system.

Terminal blocks are available with either plastic or metal body and can be fitted with other components such as insulation tapes, wire strain reliefs and wire-end connectors. Plastic terminal blocks are most commonly used in consumer applications, while metal body terminal blocks are used in commercial and industrial applications. Plastic terminal blocks are typically cheaper and more widely available.

The working principle of Terminal Blocks is fairly simple. The electrical wires are inserted into the terminal block header and the contacts are closed to make a secure connection. Depending on the type of terminal block, the connections may be made with solder or can be crimped using a terminal block connector. The wires on the terminal block are then connected to the device or system they are used for