Long distances mean cables are spliced together for higher reliability and lower loss, since cables are not manufactured longer than about 4-12 km (2. 5-7 miles) depending on cable type, and most splices are by fusion splicing. 200 RUS standard for splicing copper and fiber optic cables. Typical applications of these methods include aerial, buried, and underground splices. (2) American National. Most of it goes relatively long distances, from a few thousand feet to hundreds or thousands of miles (or kilometers) mainly in point-to-point links connecting phone switches. ) Here the connection is from a phone switch in a central. The Splicing Playbook outlines the Standards established by fiber providers. At Turn-Key. The performance of a fiber optic splice is determined by a number of factors, including the quality of the fiber, the cleanliness of the splice, and the techniques used to make the splice. Separately, there are 2 Bell Fiber Lines (Orange Tags) and a Rogers Fiber Line (Yellow Tag).