An LC Fiber Optic Pigtail is a cable that has one end terminated with an LC connector and the other end with a bare fiber. They are used to connect fiber optic cables to optical transceivers, patch panels, and other fiber optic equipment. Get the wrong connector type, the wrong polish, or skip proper fusion splicing technique—and you're looking at elevated signal loss, increased back reflection, and a. LC pigtails are short fiber optic cables which have one connector on their one end and a bare fiber on the other. It primarily finds its application in terminating optical fibers on networking equipment, including patch panels, distribution frames, or optical transceivers. When compared to field-installed rapid.