In this video, you will learn how to cut optical fiber cable step by step. This tutorial is perfect for beginners and professionals working with fiber optic cable installation and. Before repairing a damaged fiber optic cable, prepare the right fiber optic repair tools to ensure accurate fault location, efficient operation, and reliable repair. We demonstrate the proper method for 4 core fiber cutting using the right tools. The first step requires that you find the damage. 1 Improper use of a respooler (Figure 1) can cause damage to a cable jacket or result in wavy fiber in tight buffered cables due to cable crossovers or excessive tensile loading.