YJ-FD Prefabricated Multi-Core Branch Cable Details Application: Widely used for vertical power supply in electrical shafts of high-rise buildings, residential complexes, commercial buildings, hotels, and hospitals. Also suitable for power supply systems in tunnels, airports, bridges, highways, etc. Usage Characteristics: Excellent seismic resistance, air tightness, waterproofing, and fire resistance; low accident rate, low cost; easy installation and maintenance. Product Specifications Model Example: YJ-FD-ZR-YJV-4*240+1*120/4*50+1*25 Model Types: Standard type, cross-linked type, flame-retardant type, fire-resistant type, safety and clean type, oxygen barrier flame-retardant and fire-resistant type. Specifications: Maximum cable cross-section up to 240mm2, branch cross-sections can be customized according to user requirements.