The N2XRY armored cable is a high-performance power cable designed for complex energy transmission scenarios, whose structural design and material selection fully meet the stringent requirements for safety, durability, and efficiency in industrial, municipal, and energy sectors. The designation "N2XRY" directly reflects its core composition and performance characteristics, where "N" denotes fire resistance, "2" indicates suitability for higher temperature environments, "X" refers to cross-linked polyethylene (XLPE) insulation, "R" corresponds to polyvinyl chloride (PVC) sheathing, and "Y" implies the flexibility and adaptability of its overall structure. Structurally, the N2XRY cable features a multi-layer composite design. The core conductor is made of high-purity copper (CU), which exhibits excellent electrical conductivity, effectively reducing energy loss during transmission and ensuring efficient power delivery. The conductor is wrapped in a cross-linked polyethylene (XLPE) insulation layer, a material known for its high voltage resistance, aging resistance, and temperature tolerance. It can operate stably in environments ranging from -40°C to 90°C, significantly enhancing the cable's insulation reliability and preventing safety hazards such as short circuits and leakage. To further enhance the cable's mechanical protection, a steel wire armor (SWA) structure is applied over the XLPE insulation. The steel wire armor, either spirally wound or longitudinally wrapped, provides robust resistance to impact, extrusion, and stretching. This allows the cable to withstand external pressures from underground laying, burial projects, or vibrations from industrial equipment, while also effectively resisting gnawing by rodents, thereby extending the cable's service life. Externally, the armor layer is covered with a polyvinyl chloride (PVC) outer sheath. PVC not only offers excellent corrosion resistance, protecting against chemicals, moisture, and ultraviolet radiation in the soil, but also provides a degree of flame retardancy, complying with fire safety standards. It is particularly suitable for industrial environments with humidity, dust, or flammable risks. The N2XRY cable finds extensive applications, including urban power grid transformation, industrial park distribution systems, power transmission in high-rise buildings, and grid-connection lines of new energy power stations (e.g., photovoltaic and wind power). In these scenarios, the cable must cope with complex environmental conditions and high-load power transmission demands. With its multi-layer protective structure and high-performance material combination, N2XRY stably ensures continuous power supply and reduces maintenance costs. Moreover, the cable is designed for easy installation. The flexibility of the steel armor allows for easy bending and laying, reducing construction difficulties. Additionally, its standardized specifications (with cross-sectional areas ranging from 10mm² to 400mm²) can meet transmission needs of different power levels, adapting to various wiring equipment. In summary, the N2XRY armored cable achieves a comprehensive balance of conductivity, insulation safety, mechanical protection, and environmental adaptability through the scientific combination of copper conductors, XLPE insulation, steel armor, and PVC sheathing. It is an ideal choice in modern energy transmission, offering both reliability and cost-effectiveness