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Terminal Blocks - Headers, Plugs and Sockets

Terminal Blocks are electrical junction blocks commonly used in commercial and industrial wiring applications. Commonly referred to as “headers”, “plugs”, and “sockets”, terminal blocks are a versatile and highly reliable product used to connect electrical wires and circuits with corrugated clamps, jumper strands, and other electrical connections. In many applications, terminal blocks provide an easy and safe way to create power, signal, and communication connections between various components of an electrical system.

Applications

Terminal Blocks can be used in a wide variety of applications, such as heavy machinery, shipbuilding, off-road vehicles, and water treatment. They are often used in industrial settings to connect circuits and provide electrical communications between two components. They are usually used in conjunction with wiring and switches, in order to power-up or control a device or system. They can also be used in telecom applications, where they are used to connect various types of transceivers to a network of switches and routers.

Working Principle

Terminal blocks work on the basic principles of electrical connections. Electrical connections are made when the electrical path between two electrically connected components is closed. Once this electrical path is “closed”, power can be transmitted from one component to another. The electrical path is usually closed with a plug and socket type connection, such as the one presented in the diagram below. Once the plug and socket connection is made, the terminal block provides the path through which the electrical current is transmitted.

In the example shown in the diagram, two electrical terminals are connected together by a screw. A metal strip, also known as a jumper, connects the two terminals, creating an electrical path. The jumper can also be used to connect additional terminals to the same connection point, enabling power to be distributed to more than one component.

Some Terminal Blocks feature connectors on their surface that are used to attach wires or other types of connection devices. This allows for an even more efficient and secure electrical path between the terminals.

In summary, Terminal Blocks provide a safe and reliable way to create electrical connections between various components in an electrical circuit. They are commonly used in commercial and industrial applications to connect circuits and enable power, signal, and communications connections. By using Terminal Blocks, manufacturers are able to quickly and efficiently connect a variety of components and systems.