In a fiber optic cable, many individual optical fibers are bound together around a central steel cable or high-strength plastic carrier for support. This core is then covered with protective layers of materials such as aluminum, Kevlar, and polyethylene (the cladding). This innovation made it possible to send light messages effectively over large distances. What is an Optical Fiber? Optical fiber is a technology. Fiber optic "cable" refers to the complete assembly of fibers, other internal parts like buffer tubes, ripcords, stiffeners, strength members all included inside an outer protective covering called the jacket. Fiber optic cables come in lots of different types, depending on the number of fibers and. Any cable that includes any conductive metal must be properly grounded and bonded in conformance with the comprehensive references to the National Electrical Code (NEC), ANSI and IEEE and NFPA Standards for safety. Proper grounding and bonding is required for the safe and e ective dissipation of. An optical fiber is a single, hair-fine filament drawn from molten silica glass. These fibers are replacing metal wire as the transmission medium in high-speed, high-capacity communications systems that convert information into light, which is then transmitted via fiber optic cable. Currently. A fiber optic cable is composed of five core elements: Every hardware component has a specific function for proper signal transfer, construction resilience, and environmental defense. Smaller core = longer distance, less dispersion.