Power Cable Underground Fixed Installation LV Distribution Cable for Construction Industrial Municipal Engineering

YJLV22 is a widely used standard copper core low-voltage armored power cable that conforms to IEC international electrical standards and mainstream global power engineering design specifications, with a rated operating voltage of 0.6/1kV. It features a high-purity oxygen-free copper tightly stranded conductor, a high-temperature resistant cross-linked polyethylene insulation layer, a double-layer galvanized steel tape armor structure, and a weather-resistant and durable PVC outer sheath.

This series of cables is specifically designed for the long-term stable transmission of stationary power in various complex environments, integrating excellent conductivity, superior insulation stability, and reliable external mechanical protection. Unlike ordinary unarmored power cables, its built-in steel tape armor layer significantly improves resistance to external damage, making it fully adaptable to buried installations and heavy-duty engineering operating conditions.

With its mature structural design and stable overall performance, YJLV22 has gained widespread recognition from electrical engineers, engineering contractors, installation personnel, and bulk power procurement customers worldwide. It offers balanced electrical performance, reliable operational stability, and a reasonable total deployment cost, making it the preferred power transmission solution for large-scale civil buildings, industrial production facilities, and municipal public power distribution systems globally.

After undergoing multiple rounds of long-term thermal stability testing, mechanical stress testing, and environmental aging testing, the cable maintains stable electrical parameters under continuous full-load operation and seasonal temperature fluctuations, effectively ensuring uninterrupted power supply to various power distribution systems and minimizing potential operational risks in engineering power lines.

• High-purity copper conductor ensures efficient power transmission: Utilizing high-quality oxygen-free copper raw materials, it boasts extremely low resistivity and excellent conductivity, effectively reducing line energy loss during long-distance power transmission. The compact stranded design optimizes the internal core structure, promoting uniform heat dissipation, stabilizing circuit current transmission efficiency, and preventing abnormal temperature rise under long-term heavy load operation, laying a solid foundation for stable system operation.
• Cross-linked polyethylene insulation achieves long-term anti-aging and stable operation: Cross-linked polyethylene insulation possesses excellent dielectric properties, strong breakdown resistance, and outstanding anti-aging performance. Even under long-term high-temperature operation, it maintains stable insulation performance, effectively isolating internal current and external electromagnetic interference, preventing insulation layer cracking and performance degradation due to long-term use, steadily extending the service life of the entire cable system.
• Double-layer steel tape armor enhances external mechanical protection: The internal double-layer galvanized steel tape armor forms a robust buffer protection structure, effectively resisting external extrusion pressure, external impact force, soil compression, and external biological damage in underground laying scenarios. Even in the face of minor ground displacement and accidental construction collisions, it can maintain the integrity of the internal conductive core and insulation structure, greatly improving the safety of operation in harsh laying environments.
• Modified PVC Sheath Optimizes Environmental Adaptability: The outer sheath uses an upgraded modified PVC formula, offering excellent waterproof, moisture-proof, sun-proof, and oxidation-resistant properties. It resists corrosion from weak acids and alkalis, adapting to humid underground soil environments, outdoor open-air environments, and the volatile gas environments of ordinary industrial workshops, maintaining stable external protective performance year-round across different climate zones globally.
• Standardized Structure Complies with Global Engineering Design Standards: YJLV22 adheres to unified international structural design and dimensional standards, ensuring high compatibility with mainstream global electrical accessories, terminals, cable joints, and distribution box specifications. Engineers can complete schematic design, circuit matching, and subsequent maintenance work according to common industry standards, greatly simplifying project design and on-site construction processes.
• Balanced Safety Performance Meets Global Public Building Standards: This cable possesses stable flame-retardant and self-extinguishing characteristics, preventing rapid spread of flames upon contact with open flames. All raw materials used comply with international environmental protection and public safety requirements, and will not release excessive amounts of harmful volatile substances under high-temperature operating conditions, fully complying with local public building fire safety regulations and green building implementation standards.

• Civil Building Power Distribution Systems: Main power lines for high-rise residential communities, large commercial complexes, office buildings, and shopping malls; vertical power supply trunk lines within buildings; centralized power distribution circuits in basements; and auxiliary power supply circuits for central air conditioning systems.
• Industrial Production Site Power Layout: Main power lines for industrial production workshops; power distribution lines for large production machinery and equipment; fixed power distribution circuits for electronics factories, light industrial processing plants, and general heavy industrial parks.
• Municipal Public Infrastructure Projects: Urban power grid renovation and expansion projects; auxiliary power supply for road traffic; power distribution circuits for bridges and tunnels; community public power supply facilities; and public power supply lines for urban parks.
• Outdoor buried fixed power transmission projects: Urban underground integrated pipeline network transmission lines, rural centralized power supply circuits, fixed transmission lines for field infrastructure, and stable power distribution projects in remote areas.
• Commercial facilities and logistics supporting projects: Internal power distribution lines for large logistics warehouses, power supply circuits for cold storage temperature control equipment, and fixed transmission line systems for large exhibition halls and public activity venues.

Professional Engineer Selection and On-site Deployment Guide

• Scientific Current Carrying Capacity Matching and Derating Calculation: When selecting cable models, it is necessary to consider factors such as the actual laying environment temperature, underground burial depth, soil thermal conductivity, and the number of cables densely laid to complete accurate current carrying capacity derating calculations. Our professional technical team can provide official standard current carrying capacity reference data and targeted circuit matching solutions free of charge.
• Standardized Terminal Block Matching and Installation: During on-site wiring, select standard copper terminals that match the conductor specifications and tighten them according to international electrical construction torque standards to ensure sufficient contact area and stable connection tightness, avoiding poor contact that could lead to localized overheating.
• System Short-Circuit Bearing Capacity Verification: In the early stages of project design, confirm the maximum instantaneous short-circuit current data of the entire power system to verify that the selected YJLV22 cable can withstand an instantaneous high-temperature impact of 250℃, ensuring that the cable insulation structure will not be damaged in the event of a sudden circuit failure.
• Differentiated model selection for specific environments: For coastal areas subjected to long-term salt spray corrosion and industrial areas with high concentrations of volatile chemicals, it is recommended to select customized models with reinforced corrosion-resistant outer sheaths to further improve the cable's long-term environmental tolerance and operational stability.
• Selecting appropriate flame retardant safety ratings: Based on local construction fire safety regulations and project safety requirements, select cables with appropriate flame retardant ratings to ensure successful local engineering safety acceptance and compliance with regional power operation access standards.
• Standardized construction operation control: During installation, avoid severe dragging, scratching, and squeezing damage to the outer sheath. Strictly control the bending range during installation, ensuring the bending radius is not less than the specified minimum bending radius, and proactively prevent internal insulation layer deformation and potential quality hazards.

• All YJLV22 series cables are manufactured strictly according to standardized production processes, implementing a complete set of quality inspection procedures covering raw material incoming inspection, conductor stranding and forming, insulation extrusion molding, armor winding processing, and offline performance testing of finished products.
• The products have obtained multiple mainstream global authoritative certifications, including ISO9001 international quality management system certification, CE European market access certification, and RoHS environmental material certification. We can provide complete official factory inspection reports, raw material composition certification documents, and third-party professional performance test reports, fully meeting the qualification review and document submission requirements of various large-scale overseas engineering projects and centralized procurement by large groups.
  

• We possess a professional factory-direct supply model, decades of mature low-voltage cable manufacturing experience, a stable raw material supply chain, and a controllable full-cycle production process, enabling us to support large-volume centralized order production and stable cross-border export shipments.
• We provide comprehensive global one-stop engineering and technical support services. Our professional electrical technology team offers free cable selection guidance, overall power circuit layout optimization design, current carrying capacity parameter calculation, and remote on-site construction technical consultation services.
• We offer flexible, customized production services. We can adjust the cable outer sheath color, outer sheath material formula, internal structural parameters, and fire safety rating according to industry standards in different countries and regions, as well as the unique project requirements of our clients.
• We implement a 100% offline performance testing mechanism for all finished products, rigorously screening out substandard products before shipment, fundamentally eliminating product quality issues that could affect the normal power supply operation of projects.
• We fully match diverse international B2B bulk procurement trade models, providing complete export-specific packaging solutions and comprehensive customs clearance support documents, effectively simplifying the entire cross-border procurement process for global buyers.
• We employ standardized, energy-saving, and low-carbon production processes, using only environmentally friendly and recyclable materials. This aligns with current global trends in green and low-carbon engineering, helping clients successfully complete green project assessments.
• We have established a comprehensive long-term after-sales service mechanism to promptly address customer inquiries regarding product performance matching, installation and application, and subsequent operation and maintenance. We maintain stable, mutually beneficial, and long-term partnerships with our global partners.