The FC type fiber optic pigtail, short for Ferrule Connector, was developed in Japan. The FC type pigtail has a simple structure and is easy to operate, making it user-friendly. Fiber pigtails are simple in appearance, yet essential in function. By combining factory-installed connectors with spliced bare fiber, pigtails ensure that network installers can create. Executive Summary: A fiber optic pigtail is one of the most commonly specified yet least understood components in structured cabling. Their quality and model are crucial to the performance of the entire network. This essential function of pigtail fiber is. See our range of fibre optic pigtails in OS1, OM1, OM2 & OM3 below.