The FC pigtail is a fibre optic cable usually short, with factory pre-installed FC connector on one end, and another end left empty. This pigtail is used to attach one device to another for signal routing. FC stands for Fixed Connection. It is fixed by way of a threaded barrel housing. FC connectors are generally constructed with a metal housing and are nickel-plated. This fibre optic patch cord is one of the most popular connectors used in many network industries. Fixed Connection which is so named by its housing which nestles a fixed threaded cylindrical body. The most common choice of application of the FC patch cord is in Video over Fibre Transmission Equipment.