Wires and Cables
URD Cable
Optimize suburban and urban power grids with durable URD Cables. Specifically designed for Underground Residential Distribution, these cables ensure reliable and safe power delivery to homes and businesses. Our URD cables feature high-grade XLPE insulation over compacted aluminum or copper conductors, providing superior dielectric strength, excellent moisture resistance, and robust protection against environmental stresses. Ideal for direct burial or conduit applications, they offer a discreet, resilient, and long-lasting solution for modern underground power distribution systems, significantly reducing outages and enhancing grid aesthetics. Trust NPC Electric URD cables for dependable, hidden infrastructure.
5-46kV TR-XLPE URD Medium Voltage Utility Cables
5–46kV TR-XLPE URD Medium Voltage Utility Power Cables are specifically designed for underground residential distribution and utility power networks. Manufactured with high-quality copper or aluminum conductors and tree-retardant cross-linked polyethylene (TR-XLPE) insulation, these cables provide superior resistance to electrical treeing, moisture ingress, and long-term aging. The TR-XLPE insulation system significantly extends service life in underground installations where environmental stress and moisture exposure are common. Rated for voltage levels from 5kV to 46kV, the cable ensures stable and efficient power transmission under continuous operating conditions. Its robust construction supports direct burial or duct installation, meeting the reliability requirements of modern utility infrastructure. Designed to meet utility and industry performance expectations, TR-XLPE URD cables offer consistent electrical performance, enhanced durability, and reduced maintenance over their operational lifespan.
Duplex URD Cable
The Duplex URD Cable is a high-performance 600V underground residential distribution cable designed for reliable service entrance and secondary power delivery. It consists of two insulated AA8000 aluminum alloy phase conductors and a concentric neutral, all protected by a tough black polyethylene sheath. The duplex configuration provides a compact, easy-to-install solution for direct burial applications. Manufactured with XLPE insulation, this cable offers excellent electrical properties, moisture resistance, and long-term durability. The Duplex URD Cable is lightweight, flexible, and cost-effective compared to copper alternatives while maintaining high conductivity and mechanical strength. It meets UL 854, ICEA, and ASTM standards and undergoes rigorous quality testing from raw materials to finished product, ensuring consistent performance in underground environments.
Triplex URD Cable
The Triplex URD Cable is a cost-effective and reliable 600V underground residential distribution cable engineered for service entrance and secondary power delivery. It consists of three insulated AA8000 aluminum alloy phase conductors and a concentric neutral, all encased in a durable black polyethylene sheath. The triplex design offers a compact footprint, excellent flexibility, and easy handling during direct burial installation. With XLPE insulation, this cable provides superior electrical performance and moisture resistance. Lightweight and corrosion-resistant, the Triplex URD Cable is an economical alternative to copper while maintaining high conductivity and mechanical strength. Manufactured to UL 854 and ICEA standards, it undergoes extensive quality testing to ensure consistent performance and long service life in underground environments.
Quadruplex URD Cable
The Quadruplex URD Cable is a robust 600V underground residential distribution cable designed for efficient service entrance and secondary power delivery. It consists of four insulated AA8000 aluminum alloy phase conductors and a concentric neutral, all protected by a tough black polyethylene sheath. The quadruplex configuration provides a compact yet high-capacity solution for direct burial applications, offering excellent electrical balance and mechanical strength. Manufactured with XLPE insulation, this cable delivers superior electrical properties, moisture resistance, and long-term durability. Lightweight and cost-effective compared to copper alternatives, the Quadruplex URD Cable meets UL 854, ICEA, and ASTM standards. It undergoes rigorous quality testing from raw materials to finished product, ensuring consistent performance in demanding underground environments.
Single Conductor URD Cable
The Single Conductor URD Cable is a reliable and economical 600V underground residential distribution cable engineered for service entrance and secondary power delivery. It features a stranded AA8000 aluminum alloy conductor with XLPE insulation and a concentrically stranded aluminum alloy neutral, all protected by a durable black polyethylene sheath. This single conductor design provides excellent flexibility, high conductivity, and superior moisture resistance, making it suitable for direct burial or conduit installations. Lightweight and corrosion-resistant, the Single Conductor URD Cable is a practical alternative to copper cables while maintaining strong mechanical performance. Manufactured to UL 854 and ICEA standards, it undergoes extensive quality testing to ensure consistent performance and long service life in underground environments.
Aluminum URD Cable
The Aluminum URD Cable is a practical and economical 600V underground residential distribution cable engineered for service entrance and secondary power delivery. It utilizes stranded AA8000 aluminum alloy conductors with XLPE insulation and a concentrically stranded aluminum alloy neutral, all encased in a durable black polyethylene sheath. This design offers excellent flexibility, high conductivity, and superior moisture resistance, making it suitable for direct burial or conduit installations. Lightweight and corrosion-resistant, the Aluminum URD Cable provides a cost-effective alternative to copper while maintaining strong mechanical performance and long service life. Manufactured to UL 854 and ICEA standards, it undergoes extensive quality testing to ensure consistent performance in underground environments.
15kV Copper Conductor URD Cable - MV Underground Distribution Cable
The 15kV Copper Conductor URD Cable is a premium medium-voltage underground distribution cable designed for high-reliability primary and secondary power delivery. It features a stranded high-conductivity copper conductor, extruded semi-conducting shields, tree-retardant TR-XLPE or EPR insulation, and a full copper concentric neutral, all protected by a tough sunlight-resistant LLDPE jacket. This construction provides superior electrical performance, excellent moisture and treeing resistance, and strong mechanical protection suitable for direct burial or duct installations. The high-conductivity copper conductor ensures lower losses and higher ampacity. Manufactured to ICEA S-94-649 and AEIC CS8 standards, the 15kV Copper Conductor URD Cable undergoes rigorous quality testing from raw materials to finished product, ensuring long-term reliability and safety in demanding underground environments.
4/0 AWG Aluminum URD Cable 1/3 Neutral
The 4/0 AWG Aluminum URD Cable 1/3 Neutral is a durable and economical 600V underground residential distribution cable engineered for service entrance and secondary power delivery. It utilizes a 4/0 AWG stranded AA8000 aluminum alloy phase conductor with XLPE insulation and a 1/3 concentric aluminum alloy neutral, all protected by a rugged black polyethylene sheath. This design offers excellent flexibility, high conductivity, and superior moisture resistance, making it suitable for direct burial or conduit installations. The 1/3 neutral configuration provides a balanced and cost-effective solution for most residential applications. Manufactured to UL 854 and ICEA standards, the 4/0 AWG Aluminum URD Cable 1/3 Neutral undergoes extensive quality testing to ensure consistent performance and long service life in underground environments.
1/0 Stranded Aluminum Conductor 35KV URD Cable
The 1/0 Stranded Aluminum Conductor 35kV URD Cable is a high-reliability medium-voltage underground distribution cable designed for primary power delivery. It features a 1/0 AWG stranded AA8000 aluminum alloy conductor, extruded semi-conducting shields, tree-retardant TR-XLPE insulation, copper concentric neutral wires, and a tough sunlight-resistant LLDPE jacket. This construction provides excellent electrical performance, superior moisture and treeing resistance, and strong mechanical protection suitable for direct burial or duct installations. The cable offers a good balance between ampacity and cost-effectiveness for medium voltage underground systems. Manufactured to ICEA S-94-649 and AEIC CS8 standards, the 1/0 Stranded Aluminum Conductor 35kV URD Cable undergoes rigorous quality testing from raw materials to finished product, ensuring long-term reliability and safety in demanding underground environments.In-Depth Analysis
NPC Electric urd cables are built to deliver high efficiency, reliable performance, and advanced safety, helping businesses reduce energy costs while ensuring stable power supply. With future-ready adaptability for renewable energy and smart grid applications, they provide a sustainable and innovative solution for today’s and tomorrow’s power needs.
Comparative Analysis of Efficiency and Loss
Compared to the industry average, NPC wires and cables exhibit lower losses and higher efficiency across the entire load range.
Load Efficiency Comparison(%)
No-load Loss Comparison(W)
High Conductivity Design
High-purity oxygen-free copper or high-quality aluminum conductors are used with smooth surface and low resistance to ensure efficient power transmission and reduce energy loss.
Improved Conductivity
+20%
Reduced Energy Loss
-15%
Insulation Protection System
Use flame-retardant, wear-resistant and corrosion-resistant polymer insulation materials to meet the safe operation requirements in different environments.
Withstand Voltage Level
≥1kV
Flame Retardant Grade
VW-1 / IEC 60332-3
Weather-Resistant & Durable Technology
The outer sheath is made of UV-resistant, heat-resistant, and oil-resistant materials, making it suitable for high and low temperatures, humidity, and long-term outdoor use.
Service Life
≥ 25 Years
Operating Temperature Range
-40°C to +90°C
Safe Flame Retardant System
The multi-layered flame-retardant structure effectively slows the spread of flames and releases low-smoke, halogen-free gases during combustion, reducing secondary hazards.
Flame Retardant Performance
IEC 60332 / UL 1581 Qualified
Smoke Density
Low Smoke ≤50%
Easy Installation & Maintenance
The flexible core and flex-resistant outer sheath provide a small bend radius and high installation efficiency. Color coding and length markings reduce installation and maintenance costs.
Bend Radius
≤6D
Installation Efficiency Improvement
+30%
Intelligent Monitoring
An optional remote monitoring system is available to monitor operating status, temperature, load and other parameters in real time, and supports fault warning and remote diagnosis.
Data Collection Frequency
one times a minute
Fault Warning Accuracy
98%
Environmental Adaptability Analysis
NPC urd cable have been rigorously tested and can operate stably under various harsh environmental conditions.
Temperature Range
-40℃ ~ +55℃
Can work normally in extreme high and low temperature environments
Humidity Adaptation
0 ~ 100% RH
Including condensation environment, no frost requirement
Weather Resistance Grade
UV/IEC 60811-501
The outer sheath has excellent UV resistance and aging resistance
Chemical Corrosion Resistance
Oil / Acid / Alkali
Resistant to oil, acid, alkali and some chemical corrosion environments
Why Choose Us
With 30 years of expertise, global certifications, and advanced manufacturing technology, NPC Electric delivers reliable, high-performance URD cable trusted by industries worldwide.
Enhanced Community Aesthetics
NPC Electric URD cables are fundamental to creating visually appealing and modern communities by facilitating underground power distribution. By eliminating unsightly overhead lines and poles, our cables enhance the natural beauty of residential areas, boosting property values and neighborhood aesthetics. This discreet integration contributes to a cleaner, unobstructed landscape, making our underground electrical systems ideal for urban planning and new development projects. We help utilities and developers deliver reliable power while simultaneously elevating community appeal and safety, proving that functional infrastructure can also be an attractive feature for residential power grids and public spaces.
Superior Outage Resilience
Experience unparalleled resilience with our URD cables, engineered to drastically reduce power outages caused by external factors. Unlike overhead systems vulnerable to severe weather, falling trees, or vehicle impacts, our underground power cables are inherently protected. Featuring robust construction and advanced XLPE insulation, they offer superior resistance to environmental stresses, moisture ingress, and accidental damage. This inherent protection translates into enhanced service reliability for underground residential distribution, ensuring a consistent power supply to homes and businesses, even during adverse conditions. Choose us for a durable power infrastructure that stands strong against the unexpected.
Long-Term Cost Efficiency
Investing in our URD cables represents a smart, cost-effective long-term solution for your underground power distribution needs. While the initial installation of underground electrical systems might seem higher, the lifetime cost savings are substantial. Our highly durable XLPE insulated cables require significantly less maintenance, suffer fewer weather-related damages, and boast a longer operational lifespan compared to overhead lines. This reduction in repair frequency and replacement cycles, combined with minimal energy loss due to optimized design, delivers substantial operational savings over decades, ensuring a superior return on investment for your residential power grid infrastructure.
Seamless Installation & Support
We pride ourselves on offering URD cable solutions that ensure seamless integration and simplified installation for underground residential distribution projects. Our cables are designed for ease of handling, whether for direct burial or conduit applications, compatible with standard trenching and laying techniques. Beyond the product, our team provides invaluable installation expertise and technical guidance, ensuring your project proceeds efficiently and flawlessly. We offer comprehensive support, from pre-planning and cable selection to on-site best practices, making us the ideal partner for developing efficient, high-quality underground power systems that meet your project timelines and specifications.
Product Show
Explore the detailed design and practical application scenarios of urd cables
Power Cable Design
power cable core design
Low Voltage Power Cable
lv power cable design
High Voltage Power Cable
hv power cable design
Three Cores Power Cable
three cores power cable design
Medium Voltage Power Cable
mv power cable design
SWA HV Power Cable
swa high voltage power cable
Single Core Power Cable
single core power cable design
Five Cores MV Power Cable
five cores mv power cable design
Testing and Certification
Tested with precision and certified to meet international standards as
well as strict industry requirements.
Bare Cable Test Report
SGS Inspection Report
Certificate of Acceptance
ISO Quality Certificate
ISO Environmental Certificate
ISO Occupational Certificate
UL Laboratory Certificate
UL Product Certificate
Project Cases
NPC urd cables have been successfully applied in many projects and have been highly praised by customers.
Peru Solar PV Project
CompletedNPC Electric Delivers Medium-Voltage Cables for Peru Solar PV Project
Country：Peru
Model：HEPRZ1(AS) 1x630 mm² 19/33kV x 6km
Chile El Project
CompletedReliable 19/33kV MV cables ensuring safe, stable, and efficient power transmission for critical projects.
Country：Chile
Model：19/33kV MV Power Cables x 5km
Dominican Edenorte Project
CompletedProvide outdoor power solutions for urban main road reconstruction projects to adapt to complex environments.
Country：Dominican
Model：NPC AAAC Cable & Triplex Cable x 10km
Related Articles
Understand the product's characteristics, structure, and applications.
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
FAQ From Customers
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What is URD Cable, and why is it preferred for residential areas?
URD Cable stands for Underground Residential Distribution Cable. It is a specialized type of underground power cable designed to safely and reliably deliver electricity from the utility grid directly to homes and businesses, primarily in residential and suburban areas. URD cables are preferred because they eliminate unsightly overhead lines, enhance community aesthetics, reduce power outages from weather or tree damage, and improve overall public safety. They contribute to a modern, discreet, and resilient power distribution infrastructure, making neighborhoods more visually appealing and reliable. -
What are the main insulation types used in URD Cables?
The primary insulation type used in modern URD Cables is XLPE (Cross-Linked Polyethylene). XLPE offers excellent dielectric strength, superior moisture resistance, and high thermal stability, making it ideal for harsh underground conditions. Older URD cables might feature EPR (Ethylene Propylene Rubber) insulation, but XLPE is now the industry standard due to its enhanced performance and longevity. This robust insulation ensures the underground electrical cable's integrity and consistent power delivery even after decades of direct burial. -
Can I use Aluminum URD Cable, and what are its benefits?
Yes, Aluminum URD Cable is a very common and cost-effective choice for underground residential distribution. Its primary benefit is a lower material cost compared to copper, making it an attractive option for large-scale projects. Modern aluminum alloys used in our URD power cables are specifically designed for excellent conductivity and corrosion resistance. While requiring a slightly larger gauge than copper for equivalent current, aluminum URD cable offers comparable reliability and durability, especially when properly installed and terminated, providing a high-performance solution for your underground power infrastructure. -
How do URD Cables contribute to grid reliability and safety?
URD Cables significantly enhance grid reliability by protecting the power supply from external threats. Buried underground, they are immune to damage from severe weather (wind, ice, lightning), falling trees, and vehicular accidents, which are common causes of outages in overhead systems. This inherent protection leads to fewer service interruptions and more consistent power delivery. Furthermore, the absence of exposed live wires greatly improves public safety, reducing the risk of accidental contact. Our underground electrical cables ensure a more robust, secure, and safer power distribution network for communities. -
What's the typical lifespan of a URD Cable, and how is it maintained?
A properly installed and maintained URD Cable can have a lifespan of 30 to 40 years, or even longer, depending on environmental conditions and material quality. Maintenance for underground residential distribution cables is minimal compared to overhead lines, as they are protected from most external wear and tear. Key to longevity is ensuring correct installation, proper termination, and avoiding damage during subsequent excavation work. Regular testing, like insulation resistance tests or partial discharge analysis, can help monitor cable health. Our durable URD cable solutions are designed for maximum longevity with minimal intervention.
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