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Terminal blocks, also known as terminal strips, jumpers or terminal boards, are commonly used in a wide variety of applications ranging from prototyping and breadboard circuits to more permanent use in industrial and commercial installations. These components provide a convenient platform for connecting wires and other conductive materials together with a secure, dependable, and rugged approach. In this article, we\'ll explore the different types of terminal blocks, their applications, and the various parts they are made from.

Terminal blocks are divided into two distinct parts: the header and the plug/socket. The header is the stationary part of the block and typically serves as a component of a large circuit board. It is typically soldered into the board in several places. The plug/socket is the moveable part and serves as a platform for connecting wires to the board. In most cases, the header and plug/socket are sold separately, making it necessary for the customer to match them up.

Headers come in many shapes and sizes. Commonly used designs include barrels, vertical blocks, and inverted blocks. Each of these designs can be used in different applications. For example, inverted blocks commonly feature a raised platform and are generally used in more permanent installations since they are more difficult to remove. On the other hand, vertical blocks typically feature a low profile and are easier to remove since the cables can reach over them.

The plugs and sockets, much like the headers, come in different designs. Plug and sleeve terminal blocks feature a male plug and a female sleeve, while flat ribbon cables generally feature pins at one end and a female socket at the other. Pre-wired plugs and sockets also feature a male plug and female socket, but they have a length of pre-wired cable attached to them.

Terminal blocks are typically manufactured from nylon, polycarbonate, and metal. Nylon and polycarbonate materials offer excellent impact resistance, flexibility, and resistance to chemicals. Metal materials are often used in industrial settings due to their increased durability and high power carrying capacity.

As you can see, terminal blocks are used in a wide variety of applications. They provide a secure connection between two components in an electrical circuit and can be adapted to various design and performance requirements. Terminal blocks are constructed from many different materials and designs, making them an excellent choice for many applications.

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