If the naming conventions differ, why are these cables cross-compatible for global use?

Cables are manufactured based on electrical performance and material properties, not just names. Most high-quality manufacturers produce cables that meet or exceed IEC (International Electrotechnical Commission) standards, which serve as the global “language” of engineering. As long as a cable’s voltage rating ($0.6/1kV$ or $6/10kV$), cross-sectional area, and insulation type meet the local installation code’s safety requirements, the specific naming string becomes secondary to the Type Test Report and Certificate of Compliance.