Which tool is commonly used for splicing fiber-optic cables?

A fusion splicer is specifically designed for splicing fiber-optic cables, making it the appropriate tool for this task. It performs an essential function by aligning the two fiber ends precisely and using heat to melt them together, resulting in a continuous optical path with minimal signal loss. This process requires a high level of precision and is critical to maintaining the integrity of the fibers during installation and repair.

Other tools listed, while valuable in cable management and installation, do not serve the purpose of splicing fibers. A crimping tool is primarily used for attaching connectors to cables, which is different from the process of joining two fibers. The punch down tool is utilized for terminating wires into connecting blocks but does not work with fiber-optic cables. A cable stripper is intended for removing insulation from various types of cables, including fiber, but does not facilitate splicing. Therefore, the fusion splicer stands out as the specialized tool necessary for the precise and effective splicing of fiber-optic cables, ensuring optimal performance and signal integrity.