Wires and Cables
Power Cable
Power cables are essential components in modern electrical power systems, designed to efficiently transmit electricity across low voltage (LV), medium voltage (MV), and high voltage (HV) networks. These electrical cables feature excellent conductivity, robust insulation, and superior resistance to heat and weather, making them suitable for industrial, commercial, and infrastructure applications. With advanced materials and precision engineering, power cables ensure safe, stable, and long-lasting energy transmission in diverse environments.
Steel Wire Armoured Cable (SWA Cable) for Power Distribution Systems
The Steel Wire Armoured Cable (SWA Cable) is a high-performance power cable designed for applications requiring exceptional mechanical protection and reliable electrical transmission. Constructed with copper or aluminum conductors, premium XLPE insulation, galvanized steel wire armour, and a durable PVC outer sheath, the cable offers outstanding durability in demanding environments. The galvanized steel wire armour provides excellent tensile strength, impact resistance, and protection against external mechanical damage, making the cable suitable for underground installations, direct burial applications, and industrial facilities. XLPE insulation delivers superior dielectric properties, low electrical losses, and continuous operating temperatures up to 90°C. The robust PVC sheath protects against moisture, chemicals, abrasion, UV exposure, and environmental stress, ensuring a long operational lifespan. Manufactured according to IEC 60502-1, IEC 60502-2, and BS 5467 standards, the cable is widely used in power distribution networks, renewable energy projects, utility infrastructure, and industrial plants. The Steel Wire Armoured Cable combines electrical reliability, mechanical strength, and installation flexibility, making it an ideal solution for critical power applications.
Single Core SWA Armoured Cable XLPE Insulated Power Cable
The Single Core SWA Armoured Cable is designed for reliable power transmission in installations requiring high mechanical protection and long-term durability. Manufactured with high-conductivity copper or aluminum conductors, premium XLPE insulation, galvanized steel wire armour, and a robust PVC outer sheath, the cable provides excellent electrical performance and superior mechanical strength. The XLPE insulation offers outstanding dielectric properties, low power losses, and thermal stability, allowing continuous conductor operation at temperatures up to 90°C. The galvanized steel wire armour enhances tensile strength and resistance to impact, compression, and external mechanical damage, making the cable ideal for underground and direct burial applications. The durable PVC sheath protects against moisture, chemicals, abrasion, UV exposure, and environmental conditions. Manufactured according to IEC 60502 standards, the cable is widely used in utility substations, renewable energy projects, industrial plants, commercial facilities, and power distribution networks. The Single Core SWA Armoured Cable combines electrical efficiency, safety, and mechanical reliability, making it a preferred solution for demanding power infrastructure projects worldwide.
2/3 Cores SWA Armoured Cable
The 2/3 Cores SWA Armoured Cable 0.6/1kV CU/XLPE/SWA/PVC is a heavy-duty low voltage power cable designed for installations requiring superior mechanical protection. It features 2 or 3 stranded copper conductors, cross-linked polyethylene (XLPE) insulation for excellent thermal and electrical performance, galvanized steel wire armour (SWA) for high crush, impact, and tensile strength, and a durable PVC outer sheath. Rated for 0.6/1kV, this cable provides high current-carrying capacity, low voltage drop, and long-term reliability in harsh environments. Manufactured according to IEC 60502-1, the 2/3 Cores SWA Armoured Cable 0.6/1kV is ideal for direct burial, underground ducts, cable trays, and exposed installations. Its strong steel wire armour offers outstanding protection against external mechanical stresses, rodents, and impacts. It is widely used in industrial plants, substations, commercial buildings, and infrastructure projects where safety and durability are critical.
4/5 Cores SWA Armoured Cable
The 4/5 Cores SWA Armoured Cable is engineered for demanding power distribution applications where durability, safety, and mechanical protection are critical. Manufactured with premium copper or aluminum conductors, advanced XLPE insulation, galvanized steel wire armour, and a weather-resistant PVC outer sheath, the cable provides exceptional reliability in harsh operating environments. Its steel wire armour offers excellent protection against impact, tensile loads, crushing forces, and accidental mechanical damage. This makes the cable ideal for underground installations, cable trenches, and direct burial applications. The XLPE insulation delivers superior dielectric performance, low transmission losses, and thermal resistance up to 90°C continuous operation. The PVC outer sheath provides excellent resistance against moisture, chemicals, oils, abrasion, and UV radiation. Complying with IEC and BS standards, the cable is suitable for utility networks, industrial facilities, renewable energy projects, transportation infrastructure, and commercial developments. The 4/5 Cores SWA Armoured Cable offers an economical and dependable solution for modern power distribution systems.
Medium Voltage Armored Power Cable XLPE Insulated Distribution Cable
The Medium Voltage Armored Power Cable is engineered for reliable power transmission and distribution in utility, industrial, and infrastructure applications. Manufactured with high-conductivity copper or aluminum conductors, advanced XLPE insulation, metallic screens, galvanized steel wire or steel tape armour, and a durable outer sheath, the cable delivers excellent electrical performance and superior mechanical protection. Designed for medium voltage networks ranging from 3.6/6kV to 26/35kV, the cable provides outstanding dielectric strength, low insulation losses, and high thermal stability. The armouring layer protects the cable against impact, compression, tensile stress, and accidental mechanical damage, making it suitable for underground and direct burial installations. The outer sheath offers excellent resistance to moisture, chemicals, UV radiation, and environmental exposure. Manufactured according to IEC 60502-2 and international standards, the cable is widely used in substations, renewable energy projects, industrial facilities, power plants, and utility distribution systems. The Medium Voltage Armored Power Cable ensures long-term reliability, operational safety, and efficient power transmission under demanding service conditions.
Medium Voltage Unarmored Power Cable
The Medium Voltage Unarmored Power Cable is designed for efficient power transmission and distribution in utility, industrial, and commercial electrical networks. Manufactured with high-conductivity copper or aluminum conductors, advanced XLPE insulation, metallic screening, and a durable outer sheath, the cable delivers excellent electrical performance and long-term operational reliability. Designed for voltage ratings from 3.6/6kV up to 26/35kV, the cable provides superior dielectric strength, low insulation losses, and excellent thermal stability. The absence of armouring reduces cable weight and improves installation flexibility, making it particularly suitable for installations within cable trays, ducts, tunnels, and protected environments. The outer sheath provides reliable protection against moisture, chemicals, UV radiation, and environmental exposure. Manufactured according to IEC 60502-2 and international standards, the cable is widely used in substations, power plants, renewable energy facilities, industrial complexes, and utility distribution systems. The Medium Voltage Unarmored Power Cable offers a cost-effective, lightweight, and reliable solution for modern medium-voltage power transmission applications.
GYTA Fiber Optic Cable
The GYTA Fiber Optic Cable is a high-performance outdoor optical communication cable designed for long-distance transmission and backbone network applications. Featuring a stranded loose tube structure, central strength member, water-blocking compound, aluminum tape armor, and durable PE outer sheath, the cable provides outstanding mechanical protection and environmental resistance. Optical fibers are housed in gel-filled loose tubes that protect against moisture ingress and mechanical stress. The aluminum tape armoring enhances crush resistance and rodent protection, making the cable suitable for direct burial, duct, and aerial installations. The PE outer sheath offers excellent UV resistance, weather resistance, and long-term durability in harsh outdoor environments. Manufactured according to IEC, ITU-T, and international telecommunications standards, the GYTA Fiber Optic Cable supports stable, low-loss signal transmission over extended distances. It is widely used in telecommunications networks, metropolitan area networks, broadband infrastructure, data centers, and utility communication systems. The GYTA Fiber Optic Cable combines reliability, durability, and superior transmission performance for modern fiber optic communication networks.
GYTA53 Fiber Optic Cable
The GYTA53 Fiber Optic Cable is a high-strength outdoor communication cable specifically designed for direct burial applications and harsh installation environments. The cable features a stranded loose tube structure, central strength member, water-blocking system, aluminum polyethylene laminated tape (APL), corrugated steel tape armor (PSP), and double polyethylene outer jackets for maximum mechanical protection. Optical fibers are housed within gel-filled loose tubes that provide excellent moisture resistance and protection against external stress. The combination of aluminum tape and steel tape armor significantly enhances crush resistance, impact resistance, rodent protection, and moisture barrier performance. The dual PE sheath structure further improves environmental durability and long-term reliability. Manufactured according to IEC 60794 and ITU-T standards, the GYTA53 Fiber Optic Cable offers low attenuation, stable transmission performance, and excellent protection in underground installations. It is widely used in long-distance telecommunications networks, backbone communication systems, utility networks, and infrastructure projects requiring direct burial deployment.
GYTS Fiber Optic Cable
The GYTS Fiber Optic Cable is engineered for outdoor communication applications requiring reliable optical transmission and enhanced mechanical protection. Featuring a stranded loose tube design, central strength member, water-blocking filling compound, aluminum moisture barrier, corrugated steel tape armor, and PE outer jacket, the cable provides outstanding performance in challenging environments. The gel-filled loose tubes protect optical fibers from moisture ingress and mechanical stress while maintaining stable transmission characteristics. The APL moisture barrier prevents water penetration, and the PSP steel tape armor enhances crush resistance, impact protection, and rodent resistance. The UV-resistant PE sheath ensures excellent resistance to weathering, chemicals, and environmental aging. Manufactured according to IEC 60794 and ITU-T standards, the GYTS Fiber Optic Cable is widely used in telecommunications networks, utility communication systems, broadband deployment projects, and industrial communication infrastructure. The cable offers a cost-effective and highly durable solution for outdoor fiber optic network installations.In-Depth Analysis
NPC Electric power 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 power 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 power cable trusted by industries worldwide.
Power Cables Manufacturer
NPC Electric is a leading power cable manufacturer, specializing in the design and production of high voltage and low voltage power cables for various industries. Our cables are engineered for optimal energy transmission, offering exceptional durability and performance in both residential and industrial applications. We provide custom cable solutions tailored to meet specific project needs, from aerial and underground power lines to specialized electrical cables for commercial use. With strict cable manufacturing processes and comprehensive testing procedures, NPC Electric ensures the highest standards of quality and reliability. Whether for power distribution, renewable energy projects, or heavy industrial use, our cables provide safe and efficient electrical solutions that stand the test of time.
High, Medium, and Low Voltage Power Cables
NPC Electric offers a wide range of power cables designed for efficient and reliable energy transmission across high voltage, medium voltage, and low voltage systems. Our high voltage power cables are engineered for long-distance transmission, ensuring minimal energy loss while maintaining safety and performance. Medium voltage power cables are used in power distribution networks to connect substations to industrial or residential areas, providing a stable and efficient power supply. Our low voltage power cables are designed for residential and commercial wiring, offering flexibility and reliability for everyday electrical systems. Each cable is constructed with advanced insulation materials like XLPE, ensuring high durability, thermal stability, and long-term performance. NPC Electric's cables are ideal for use in various electrical networks, meeting both industrial and residential needs.
Power Cable Design
The power cable design is crucial for ensuring the efficient and safe transmission of electricity across high voltage and low voltage power systems. At NPC Electric, our cable construction includes a high-quality conductor made from aluminum or copper, surrounded by insulation materials such as cross-linked polyethylene (XLPE) for excellent electrical performance and thermal stability. We specialize in custom cable design to meet specific customer needs, whether for underground cables, aerial cables, or specialized industrial applications. Each cable is designed to adhere to international electrical cable standards, ensuring superior durability, energy efficiency, and long-term performance. Our power transmission cables provide reliable, high-performance solutions for residential, commercial, and industrial power distribution.
Testing & Quality Control
At NPC Electric, we prioritize power cable testing and quality control to ensure the highest standards of reliability and performance for every product. Our comprehensive cable testing procedures include high voltage cable testing, low voltage cable testing, and insulation resistance testing to verify the electrical integrity of each cable. We follow strict quality control protocols throughout the cable manufacturing process, ensuring that each product meets international standards and exceeds customer expectations. Our quality assurance system includes routine checks for durability, performance, and safety to guarantee that our cables deliver safe, long-lasting, and efficient power transmission for both residential and industrial applications.
Product Show
Explore the detailed design and practical application scenarios of power 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
Solar Calbe- QA TECHNIC
UL Product Certificate
Project Cases
NPC power 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 are high voltage power cables used for?
High-voltage power cables are designed for the transmission of electricity over long distances. They are used in high-voltage transmission lines to deliver electricity from power plants to substations. These cables are engineered to handle high electrical loads, minimize energy loss, and ensure safety in long-distance electrical power transmission. High-voltage cables are typically made with advanced insulation materials to withstand high stress and environmental factors. -
What are the differences between high, medium, and low voltage power cables?
The main difference between high, medium, and low voltage power cables lies in the voltage level and their intended applications. High-voltage cables are used for long-distance power transmission, typically ranging from 1kV to 765kV. Medium voltage cables (1kV to 35kV) are used for power distribution from substations to local areas. Low-voltage cables (up to 1kV) are used in residential, commercial, and industrial buildings for everyday power supply. -
What is the application of low voltage power cables?
Low-voltage power cables are used in residential, commercial, and industrial electrical wiring systems. These cables provide power for lighting, appliances, and smaller equipment within homes, office buildings, and factories. Low-voltage cables are commonly used for internal wiring, electrical circuits, and power distribution within the building. They are designed to carry power safely and efficiently at voltages up to 1kV. -
How are medium voltage power cables used in power distribution?
Medium voltage power cables (1kV to 35kV) are used in power distribution systems to carry electricity from substations to residential neighborhoods, commercial buildings, and industrial complexes. These cables are designed to handle higher loads than low-voltage cables, and they are ideal for situations where energy needs are larger but not as high as transmission-level power. Medium voltage cables provide stable and reliable electrical service to a wide range of users. -
What materials are commonly used in power cables for high, medium, and low voltage systems?
Power cables for high, medium, and low voltage systems are typically made with copper or aluminum conductors for excellent electrical conductivity. The insulation materials include cross-linked polyethylene (XLPE) for high performance and thermoplastic compounds like PVC for standard applications. Sheath layers are typically made of PVC or PE for mechanical protection and weather resistance. The materials are selected based on the voltage rating and the specific environmental and performance requirements of the cable.
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