A, it says the fiber can occupy the same cable tray or raceway as power. It does not include junction / pull boxes. Additionally, I would not consider a junction / pull box to be considered a raceway based on the definition of a. To handle a large number of optical fibers with lower cost and higher flexibility, various optical junction boxes are widely used to connect and arrange optical fibers. If you always. The optical fiber connection adopts the fusion splicing method. The whole process is similar to the welding of metal wires, and it is generally carried out by electric isolation. The fusion of two fibers is achieved by an electric arc that essentially welds the fibers together. A mass fusion splicer welds 12-fiber together. This guide reveals the secrets to fusion splicing with little fluff—just proven, straightforward techniques refined from years of work in the field. The guide provides the complete workflow, covering safety precautions, tool selection, fiber preparation, fusion operation, quality control, and. When working with fiber, relying on factory-terminated/pre-connectorized cables offers several advantages over field termination, including both performance and savings in labor, material costs and installation time.