This guide provides a detailed roadmap for locating and fixing fiber optic cable breaks, covering detection techniques, repair methods, and best practices. If the fiber optic cable is broken, the optical fiber fusion splicer needs to be used in order to connect the two fiber optic cables together. Since the optical fiber is made of quartz, it can not be knotted like an electrical wire, we must use professional equipment worthy of thousands of dollars. Fiber optic cables are typically damaged in one of two ways: A premade fiber optic cable suffers connector damage when too much pull-force is applied during installation. Accidental cuts, breaks, or other damage can disrupt your network and cause costly downtime. What is a mechanical splice? What is a fusion splice? Why splice? Fiber splicing is one way to join two optical fibers together so the light energy from one optical fiber can be transferred to another. The most detailed cold splicing prodcedures for broken fiber optic cable.