The so-called cold splicing is opposite to fusion splicing, which refers to the mechanical splicing of optical cables through "cold splicing", and the entire splicing process can be completed within 2 minutes. Common splicing methods include optical fiber cold splicing and optical cable hot fusion splicing. Termination is the other, more frequent way of linking fibers. The goal is to achieve the lowest possible optical loss (signal. This guide reveals the secrets to fusion splicing with little fluff—just proven, straightforward techniques refined from years of work in the field. It requires specific connectors to facilitate the curing process, ensuring a secure and durable bond between the fibre optic cables without the need for heat sources or specialised.