A patch cord is a fibre optic cable 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.