A copper jumper is a short length of copper wire or conductor used to connect two points in an electrical circuit without soldering. In real life, they run into problems pretty quickly. When equipment heats up, metal expands. It acts as a bridge, ensuring a smooth flow of electricity between components like busbars, transformers, or switchgear. Let's delve into the details of the various types of jumper wires commonly used in breadboard-based. Their function is to configure the settings for computer peripherals, like the motherboard.