How do Chinese (GB) and International naming conventions for LSZH cables differ?

In the international market, LSZH cables are typically categorized by harmonized codes (like the European <HAR> system) or specific material designations (e.g., H07Z-K). The Chinese system utilizes the GB (Guobiao) standard, which relies on Pinyin initials to denote smoke and halogen properties.

Chinese System (GB/T): Common models use the prefix WDZ (Wuyan Dizhou – Low Smoke Low Halogen) or WDZN (Fire Resistant version). Examples include WDZ-YJY (XLPE insulation, LSZH sheath) and WDZ-BYJ (LSZH insulated wire).

International System: Common designations include H05Z-K / H07Z-R (Harmonized single core), NHXH (Fire resistant LSZH), and SOOW (equivalent oil-resistant versions). In the North American market, they may be labeled as LS (Limited Smoke) according to UL standards.