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Terminal blocks, headers, plugs and sockets are one of the most versatile pieces of electrical hardware. They allow you to quickly and reliably connect two or more wires together, and with some form of insulation to keep everything in place. Used in industry, consumer and military applications, these items are able to carry and distribute electrical current accurately and reliably.

Types

Terminal blocks generally come in two primary types. The plug or header version allows the user to make a connection between two pieces of electrical equipment without having to unravel and solder two individual wires. The socket type, on the other hand, provides a reliable connection for the plug. It\'s important to think about the type of electrical application when selecting the best terminal block, header or plug for the job.

Headers

Headers are typically used when multiple connections need to be made, such as in power supply cables, audio/video cables or in telephone exchanges. With the help of headers, a cable can easily be plugged into the header and each connection point can be confirmed through a simple visual inspection. Headers are generally available in two heights: 3mm and 5mm headers are the most common sizes.

Plugs

Plugs are used to connect electronic components, such as wires or cables. The main purpose of a plug is to connect the power and data signals to equipment, allowing for faster connections than with soldering. Plugs come in different sizes and shapes, such as 2.5mm, 3.5mm, TRS (tip-ring-sleeve) and RJ45 (commonly used for Ethernet cables).

Sockets

Sockets are used to provide a reliable connection for plugs. They come in sizes ranging from 2.5mm to 7.5mm, depending on the type of application. They are usually used in conjunction with plugs to provide power to electronic equipment, and allow for easier, quicker connections than with soldering.

Application Field and Working Principle

Terminal blocks, headers, plugs and sockets are used in a variety of electromagnetic applications and typically differ in their application field and working principle. For example, terminal blocks are usually used in power supplies, industrial automation, consumer devices, military systems and other applications that require a reliable connection. The principle usually involves connecting two wires or cables together and with some form of insulation to keep everything in place. As for plugs and sockets, they are commonly used to connect audio/video devices, telephone exchanges and other equipment. The basic principle is to provide a reliable connection between two components.

Conclusion

Terminal blocks, headers, plugs and sockets are essential pieces of electrical hardware used in countless applications. They offer the user the ability to quickly and reliably connect two or more wires or cables together, providing a secure connection that allows for the accurate and reliable transmission of electrical current. Knowing the type and application of a terminal block, header, plug or socket can give you the necessary information to ensure a safe, secure, and perfect connection for your applications.

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