Communication is possible today because of structured cabling system, which provides connectivity between office servers, computers, and other network devices, allowing transmission of both voice and data. Earlier, twisted pair copper cables were used for transmission and even used today in some of the areas, however,with the growth of technology, people are now moving towards Fiber optic cables due to its benefits .Before looking at advantages, we must be aware of what a Fiber Optic Cable is? It is a cable containing one or more optic fibers and data is transmitted through this cable on the Principle of Total Internal Reflection. These cable come in single mode and multimode Fiber form.Single-mode fiber has only one path for light to pass through, smaller core dia. as compared to multi-mode, can be used for long distance transmission. Multimode fiber has many paths for light to pass through, can be used for short distances generally 8 miles apart.Now moving on to its benefits. First and the most important one is Fiber Optic cables can be used for communication over longer distances appprox.50 times more as compared to Copper Cables without attenuation or power loss.Although construction of an Optic fiber is of glass, some of its areas need utmost care, but its cable designing is such that it can handle installation in hard to reach areas. Dielectric nature of Fiber optic cables do not allow any kind of remote detection, making your data safe and secure.