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Terminal Blocks — Headers, Plugs and Sockets

Terminal Blocks are widely used in a range of industries, from medical to automotive. They create reliable connections between electrical equipment or components and provide protection for copper and other metals from oxidation, corrosion and vibration, ensuring stable operation. Terminal Blocks come in various shapes and sizes, but the most common are headers, plugs and sockets.

Headers
Headers are an essential component of Terminal Blocks. Generally, they form the base terminal from which other components are connected. Typically, one header is connected to a mains power supply or other power source, while the other headers are connected to the equipment or components they supply power to. Headers are designed to be strong and securely connected, and are sealed to prevent the ingress of dust and moisture.

Plugs
Plugs are typically used to connect the various wiring components of a Terminal Block. They come in different shapes and sizes to accommodate the wires or cables, and can be threaded, spade or pin-and-sleeve types. They are designed to fit securely into the headers, and must be properly clamped in place, often using a spring-loaded pin, to ensure that a reliable connection is achieved.

Sockets
Sockets are an important part of any Terminal Block. They provide the electrical connection between the headers and the equipment or components they supply power to. They are typically exposed when wiring the block, and should be covered with a sealed cap to prevent moisture and dust from entering the block. Generally, the sockets are insulated and designed to protect against electromagnetic interference.

In conclusion, Terminal Blocks are an essential part of most electrical systems and provide a safe and reliable connection between various components. Headers, plugs and sockets are the most commonly used components of Terminal Blocks and are an essential part of their operation. They are designed to ensure reliable and secure connections, as well as provide protection against oxidation, corrosion and vibration.

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