Structured fibre optic cabling in smart buildings follows a hierarchical design from central building entry through vertical conduits to floor distribution points. In the main distribution room, up to 288 fibres from different building areas converge, terminated via modular splice. This is where fiber optic cable splicing—the process of creating a permanent, high-performance join between two fiber ends—becomes critical. For network managers and technicians, a poor splice can lead to significant signal degradation, network downtime, and costly troubleshooting. Another method of connecting optical fibers is termination or connectorization, which consists of processing the end of a fiber optic bundle so that it can be connected to other fibers or devices through fiber optic. Fiber optic splicing plays a vital role in modern communication networks by enabling seamless connections between fiber optic cables. This technique ensures high-performance data transmission and is essential in extending cable runs, repairing broken links, or establishing new network paths in data. Fiber cable splicing is a critical step in building reliable fiber optic networks. Unlike traditional copper cabling, fiber optics use light to transmit data, offering nearly unlimited bandwidth and faster. This method of data transmission offers several advantages over traditional copper cables, including greater bandwidth, reduced interference, and enhanced security, making it ideal for modern smart building infrastructures. The history of fiber optics traces back to the mid-20th century when.