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Jumper Wires:

Jumper wires are a type of electrical wires specifically used for testing and connecting short circuits. They are relatively short in length and are made up of copper, silver, or nickel conductors. The wires are typically insulated and terminated with a male and/or female connector. Some of the commonly used jumper wires are BNC cables and banana plug cables.

Jumper wires are generally used in hobby electronics, prototyping, wiring, or other technical applications where high performance and ease of use is essential. They can be used in a variety of ways such as powering up a circuit, connecting components together, interfacing with a breadboard, or extending the length of a cable. Some of the advantages of using jumper wires are the availability of multiple connectors and flexible lengths. Disadvantages of using jumper wires include the need for a secure connection and limited conductivity.

Pre-Crimped Leads:

Pre-crimped leads are a type of electrical conductor specifically designed to replace wire nuts, butt connectors, and other common connections. Pre-crimped wires are made of copper and utilize a terminal barrel on one end of the wire for anchor and strain relief. The other end of the wire is connected to a terminal fitting such as a spade, ring, or pin connector. This type of connection is beneficial in that it permits one to easily make or extend a wire connection without the need of mechanical fastening. Furthermore, pre-crimped leads also help minimize the risk of a wire becoming loose due to vibration or bending.

The working principle behind pre-crimped leads utilizes crimp terminals that use mechanical pressure to “cold-weld” the contacts together. When a pre-crimped lead is inserted into a connector, a crimping tool is used to compress the terminal so as to provide a secure connection. These crimped terminals have insulation or shielding to protect them from the environment and from coming loose. Pre-crimped leads are available in a variety of sizes and are commonly used in automotive, lighting systems, telecommunication, and other industries.

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