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Flat Flex cables, also known as ribbon jumpers, are used as a type of electrical connector. They are constructed from a flat flexible cable, generally made up of insulated wires that are laid parallel to each other and separated by insulating layers. The flexible cable is then bound together by an outer jacket, which provides electrical insulation and protection.The Flat Flex technology is ideal for many applications, such as interconnecting PCBs, connecting network devices, computer peripherals or any other electromechanical device that need to be quickly and easily interlinked. The flexibility of the flat flex cable allows for use in cramped spaces or tight bends, which makes them flexible yet strong enough to withstand wear and tear over time.The working principle of Flat Flex cables is based on the sheathing of conductors. A conductor is an insulated wire that carries an electric current. The sheathing of conductors can be done either manually or mechanically. In both cases, the wire is cut into a desired shape and then insulation is added to the wire. This insulation helps to prevent any electrical arcs that may occur due to electric currents. The twisted pairs of wires are then sheathed in an outer jacket for protection and insulation.The sheathed conductor is then made into a flat flexible cable. To do this, the individual wires are laid out side by side in a single, flat strip. The wires are then twisted together in a helical pattern, creating a flat, flexible cable with a high degree of conductivity. This allows the cable to bend and flex without breaking, making it ideal for use in tight, cramped areas. The outer jacket of flat flex cables is usually made of PVC, which provides electrical insulation as well as protection from environmental elements. This jacket also serves to keep the wires in place, preventing them from sliding around and creating a hazard. The jacket also helps to reduce friction, which protects the inner wires from damage over time.Flat Flex cables are used in a variety of applications, from providing power to electronic devices to connecting network devices and computer peripheral components. They are also useful for linking different areas of a PCB, such as the power and ground connections. In addition, they are often used for jumpers in high density systems, such as chip-on-board (COB) applications, as well as providing power and ground connections in board-level cables.