On average, it can take anywhere from a few days to several weeks to complete the installation process. The time it takes to splice a fiber optic cable can vary depending on several factors, including the type of splice, the equipment used, and the level of expertise of the technician performing the splice. In this article, we will delve into the details of the splicing process and explore the. How long does the setup take? Most residential jobs finish within a few hours. Every building has unique needs. Contact your service. This blog post explains how to extend your network over long distances, exceeding the limitations of copper cabling, using fiber optics.