Two types of ferrule materials are commonly used in the manufacture of fiber optic connectors: zirconia ceramics and composite plastic polymers. Unlike fiber splicing, which is permanent, connectors allow for easy connection and disconnection of cables, making them ideal for maintenance and flexibility in. This guide breaks down the five core components of a fiber optic cable — from the specification package to the actual installation considerations. You will also learn how different aspects of the product can affect budget and design. ■ The Five Key Parts of a Fiber Optic Cable A fiber optic cable. Fiber optic cables transmit information across vast distances by guiding light pulses through a transparent medium. Made from durable plastics, such as polyethylene (PE), it encases the inner components, guarding against environmental hazards. This structure makes the fiber function as a “light pipe”, so that light that enters the core at one end can emerge from the other.