The HS Code 8544 is the global standard for classifying insulated wires, cables, and fibre optics used in electrical and communication systems. It determines how these products are identified, taxed, and traded across borders. For businesses in the electrical and telecom sectors, knowing the 8544. The HS Code 85447000 specifically classifies optical fiber cables made up of individually sheathed fibers, making it easier for importers, exporters, and customs officials to accurately identify and track the movement of these products. The HS-Codenumbers or contents may have changed. Optical Fibers and Cables: Optical fibers, unassembled or not attached to connectors, are generally classified under HS Code 9001. What Is an HS Code? The Harmonized Commodity.