Learn how to splice fiber optic cable using fusion splicing with this complete step-by-step guide. Includes tools, best practices, loss standards (ITU-T G. 652), cost analysis, and FAQs for network engineers and installers. Fiber optic splicing is the art and science of joining two separate optical fibers to create a continuous light path. Before any splicing can occur, whether it's mechanical or fusion. SpliceList connects project owners, carriers, and general contractors with certified cable splicing crews serving San Francisco and the surrounding California metro area. San Francisco is a hub for telecommunications infrastructure, with active fiber deployments, legacy copper plant maintenance. Fiber optic cables are the invisible highways of our digital world, carrying massive amounts of data at the speed of light. This is where fiber optic cable splicing—the. We build fiber optic and network cabling infrastructure for businesses across San Francisco: structured cabling, low voltage cabling, backbone fiber, MDF/IDF termination, fusion splicing, and OTDR / power meter testing with certification reports. Important: We are not an internet provider. There are two primary methods used today: Fusion Splicing and Mechanical Splicing.