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Rectangular connectors – headers, male pins, are an integral part of the modern electrical and electronic circuitry. Generally, these connectors comprise of two parts, namely a female receptacle and a male pin, which fit together electrically so as to form an electrical connection. The objective of rectangular connectors – headers, male pins - is to connect wires, or parts, from one point to another.

The application field of rectangular connectors – headers, male pins - stretches from industrial automation to consumer electronics. For eg, in industrial machinery, they are regularly used to provide an electrical connection between sensors, actuators, PC boards, and so forth. Moreover, in consumer electronics, these connectors play an important role to guarantee the reliable flow of electricity for devices like cellular phones, smart TVs, and computers.

The working principle of rectangular connectors – headers, male pins - is quite simple. Firstly, the male pin is inserted into the female receptacle. Secondly, the pins and receptacles hold each other firmly in place by means of the mechanical force exerted on their retention clips, as well as frictional force. Thirdly, the contact surface of the pins and receptacles come into contact with each other and create a continuous electrical connection path. This is the most critical aspect of the functioning of the connector since any damage to the contact-surface may lead to an overall electrical failure.

The significance of rectangular connectors – headers, male pins - can be further understood from its installation process. The installation process is quite simple and straightforward. Firstly, all the wires need to be unwound and condensed in a unified bundle. Secondly, the female receptacle needs to be securely connected to a supporting panel, terminal block, or fence-post. Thirdly, the male pins need to be inserted into the female receptacle. Lastly, the retention clips need to be firmly tightened in order to ensure that the connection is secure and tight.

To summarize, rectangular connectors – headers, male pins - are an important part of modern electrical and electronic circuitry. Their application field stretches from industrial automation to consumer electronics. The working principle of these connectors is also intuitive and simple with its installation process. They are wide-spread in use and certainly moves the world of modern electronics forward.

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