... EN)Low-smoke, halogen-free, flame-retardant, non-sheath cable used for railway vehicleWDZ-DCYJF (EN)Low-smoke, halogen-free, flame-retardant ... , sheath cable used for railway vehicle4. Technical RequirementsMulti-core Non-sheathed Cable Cross-section ... be provided. Low-smoke, Halogen-free, Flame-retardant, Multi-core Control Cable Used for Railway Vehicle