The 3×185mm² aluminum conductor XLPE insulated PVC sheathed steel wire armored underground power cable is designed for 11kV and 33kV voltage ratings. Featuring cross-linked polyethylene (XLPE) insulation, it offers excellent electrical performance and thermal resistance (90℃ continuous rating). The steel wire armored (PVC/SWA/PVC) construction provides superior mechanical protection, making it ideal for direct burial applications. Compliant with IEC 60502 standards, this cable is widely used in urban power grids and industrial power supply systems requiring high-reliability power transmission.

This is a 0.6/1kV 4-core underground cable with aluminum conductor, featuring XLPE/PVC insulation and available in various sizes from 35mm² to 240mm². The cable offers excellent electrical performance and mechanical strength, making it particularly suitable for direct underground burial. Widely used in municipal projects, industrial power distribution and building power supply, the product complies with international standards and features waterproof, corrosion-resistant and durable characteristics.

The 95mm² 4-core copper underground cable features XLPE insulation and a 2×0.1mm dual-layer design, offering excellent electrical and mechanical properties. Specifically engineered for underground installation with superior waterproof performance, it is ideal for fixed distribution systems in industrial zones and commercial buildings. Compliant with international electrical standards, the cable provides high temperature resistance and aging resistance for long-term reliable operation.

This product is AVVB-0.66 4X16mm² outdoor steel tape armored power cable, adopting Al/PVC/Sta/PVC multi-layer structure, specially designed for underground power transmission.​ The conductor is made of aluminum, which has stable conductivity and light weight, reducing the bearing pressure of underground laying. The inner PVC insulation layer has good insulation, which can block current leakage; the middle steel tape armor layer provides strong mechanical protection, resisting external forces such as underground soil extrusion and stone collision; the outer PVC sheath has excellent weather resistance, which can resist underground humid and corrosive environments.​ The 4-core 16mm² specification is suitable for 0.66kV low-voltage systems, with a current-carrying capacity of about 45-55A, meeting the needs of small and medium-sized underground power distribution. The steel tape armored structure gives it impact resistance and tensile properties, suitable for direct burial or pipe laying.​ This cable is widely used in outdoor underground power transmission, such as residential area distribution branches and municipal road underground cable networks, providing a safe and durable solution for underground power transmission.

This article covers specifications and types of various 0.6/1kV low-voltage power cables. Among them, the conductor cross-sectional specifications mainly include two types: 3×120+70mm² and 3×150+70mm². The former consists of 3 main cores of 120mm² and 1 neutral core of 70mm², while the latter has main cores of 150mm² and a neutral core of 70mm². Both are suitable for underground laying scenarios and can meet medium and low-power transmission needs. Cable types include Ar2V, YJLV, Na2xy, Nayy, Yakxs, etc. YJLV is an aluminum-core cross-linked polyethylene insulated cable with good electrical performance and aging resistance. Models such as Ar2V and Na2xy may correspond to different insulation and sheath materials (e.g., polyvinyl chloride, polyethylene) or structural designs, adapting to the requirements of moisture resistance and mechanical damage resistance in underground environments. These cables have a rated voltage of 0.6/1kV and are widely used in building power distribution, industrial plant power transmission, and municipal underground power grid projects. Their structural design balances transmission efficiency and adaptability to installation environments, ensuring stable operation during underground laying.

This underground cable covers multiple wire diameter specifications including 120mm², 185mm² and 400mm², adopting a 4-core with earth design, specially built for underground laying scenarios.​ The cable uses XLPE (cross-linked polyethylene) as the insulation layer, which has excellent temperature resistance and insulation performance. It can stably insulate current in underground environments with humidity and temperature changes, preventing the risk of electric leakage. The outer layer is made of PVC material, and the unarmoured design ensures flexibility while endowing the cable with good corrosion resistance and wear resistance, adapting to complex underground environments such as soil and gravel.​ In the 4-core with earth structure, the 4 cores are responsible for power transmission, and the earth wire provides safety protection, which can quickly conduct leakage current and improve electricity safety. Different wire diameters correspond to different current-carrying requirements: 120mm² is suitable for small and medium-power underground power distribution, 185mm² is adapted to medium and high-power equipment, and 400mm² can meet the transmission needs of large underground power main lines.​ The product is produced in strict accordance with underground cable standards, with outstanding performance in pressure resistance and anti-aging. It can withstand mechanical pressure and environmental erosion of underground laying for a long time, providing stable and reliable power support for scenarios such as underground power distribution systems, municipal engineering, and underground power supply in industrial plants.

This underground cable adopts a 3X25+1X16mm² specification design, suitable for 0.6/1kv voltage level, and is a reliable choice for underground power distribution scenarios.​ Three 25mm² main cores are responsible for three-phase power transmission, and one 16mm² auxiliary core serves as a ground wire, forming a complete power distribution circuit. The current-carrying capacity of the main cores is suitable for small and medium-sized power consumption scenarios, such as underground power distribution main lines in residential communities and power supply for equipment in small industrial parks. The ground wire ensures electrical safety through reliable grounding and quickly conducts current away in case of electric leakage.​ The XLPE insulation layer is one of the core advantages. It has strong temperature resistance and stable insulation performance, and can resist the impact of underground humidity, soil corrosion and other environmental factors. Even in the underground environment with temperature changes or slight chemical erosion, it can still maintain insulation integrity and extend the service life.​ The cable is specially designed for underground laying, with a compact structure and certain mechanical strength, which can withstand soil pressure and slight external impact. During production, the thickness of the insulation layer and the purity of the conductor are strictly controlled to ensure stable operation in scenarios such as underground power distribution and equipment grounding, providing safety guarantee for power transmission.

The core information of 95×4 3 - phase 4 - wire underground aluminum cable and 3×185 + 95mm high - voltage cable is as follows:​ • Specification and Structure: 95×4 is of 4 - core design with a single core of 95mm², suitable for 3 - phase 4 - wire system; 3×185 + 95mm consists of 3 phase lines of 185mm² and 1 neutral line of 95mm², meeting the three - phase balance requirement of high - voltage power transmission. Both are optimized for underground laying, with resistance to soil pressure and moisture - proof characteristics.​ • Material and Performance: The conductor is made of aluminum, which is lightweight and cost - effective, suitable for underground installation of large - section cables. Although the insulation material is not specified, high - voltage cables are usually equipped with high - voltage resistant insulation layers (such as XLPE), which can resist corrosion and mechanical impact in underground environments.​ • Application Scenarios: 95×4 is applicable to medium - and high - voltage underground power distribution, such as underground trunk lines in residential quarters or industrial parks; 3×185 + 95mm high - voltage cables are used for higher - power transmission, such as underground transmission lines from substations to users and underground power supply networks in large industrial plants.​ These cables balance transmission efficiency and adaptability to underground environments. Aluminum conductors and reasonable core configuration make them an economical choice for high - voltage underground power transmission.

The Ea2xy, Eay2y, Eayy, Ey2y, and Eyy series of low - voltage power cables are produced by origin manufacturers, specially designed for underground power transmission scenarios, suitable for low - voltage distribution systems, and are reliable choices in the field of underground cables.​ This series of cables uses conductor materials that meet standards, with stable conductivity, which can meet the current transmission needs of underground low - voltage power distribution. As underground - specific cables, their structural design fully considers the characteristics of the underground environment, with excellent corrosion resistance, which can resist the erosion of moisture, acid - base substances and microorganisms in the soil. At the same time, they have excellent mechanical strength, which can bear soil pressure and slight external impact, avoiding damage caused by external factors during laying and use.​ In terms of insulation performance, the cable insulation layer is made of high - quality materials with high insulation resistance and low dielectric loss, which effectively reduces the risk of electric leakage and ensures the safety of underground power transmission. Moreover, the overall flexibility is good, which is convenient for the construction of complex laying methods such as underground pipelines and direct burial, reducing the construction difficulty.​ Origin manufacturing ensures that the products meet relevant quality standards. Strict control is carried out from material selection to production processes. They have a long service life and low maintenance costs, and are suitable for low - voltage underground power supply scenarios such as urban underground distribution networks, underground cable trenches in residential communities, and municipal underground projects.

Cis Hta Cable 18/30kv 3X1X120mm2 240 mm2 Al/XLPE/HDPE Direct Burial Cable Underground Cable​ The Cis Hta Cable, rated at 18/30kv and available in 3X1X120mm² and 3X1X240mm² configurations, stands as a high-performance underground power transmission solution engineered for direct burial applications. Featuring an aluminum conductor, XLPE insulation, and an HDPE outer sheath, this cable combines robust construction with efficient power delivery, making it ideal for medium to high-voltage underground networks.​ The two conductor sizes cater to varying load demands: 3X1X120mm² for medium-capacity power distribution in urban or industrial zones, and 3X1X240mm² for high-current applications such as connecting substations or powering large industrial complexes. The aluminum conductor offers excellent conductivity with a lightweight design, reducing installation complexity while ensuring minimal power loss.​ XLPE insulation provides superior dielectric strength, thermal stability (-40°C to 90°C), and resistance to moisture and chemicals—critical for underground environments. The HDPE outer sheath adds a durable layer, enhancing resistance to abrasion, soil corrosion, and mechanical impact during installation and operation.​ Designed for direct burial, the cable eliminates the need for protective conduits, lowering installation costs. It complies with international standards for underground high-voltage cables, ensuring reliability in diverse soil conditions, including clay, sand, and rocky terrain. Whether for urban infrastructure, industrial parks, or renewable energy projects, this Cis Hta Cable delivers safe, long-term performance in underground power transmission.

The 1kv underground aluminium Hda conductor cable is a low-voltage cable specifically designed for underground power transmission, with high-purity aluminium Hda conductors as the core. It is suitable for underground laying scenarios in urban distribution networks, residential communities, industrial parks, and municipal engineering. This series of cables offers three cross-sectional specifications: 12mm², 25mm², and 100mm², which can meet the power transmission needs of different load intensities, balancing economy and environmental adaptability.​ In terms of structure, the core of the cable is an Hda-grade aluminium conductor, which has excellent electrical conductivity and corrosion resistance after special processing. The choice of aluminium conductor not only significantly reduces the weight of the cable, facilitating handling and installation during underground laying, but also has an advantage over copper conductors in material cost, making it particularly suitable for large-scale underground pipeline projects. The 12mm² conductor is suitable for low-load scenarios such as small user branch lines or courtyard lighting; the 25mm² conductor can meet the main incoming line requirements of medium-sized commercial facilities or multi-storey residences; the 100mm² conductor can carry the centralized power supply task of small and medium-sized factories in industrial parks, ensuring the stable operation of high-power equipment.​ In terms of protective structure, the cable adopts a multi-layer composite design to adapt to the complex underground environment. The outer layer of the conductor is wrapped with a weather-resistant cross-linked polyethylene (XLPE) insulation layer, which has excellent electrical insulation performance and heat aging resistance, effectively isolating moisture and impurities in the soil and avoiding the risk of electric leakage. Outside the insulation layer, there is a steel tape armouring layer, which forms a strong mechanical protection through spiral winding or longitudinal wrapping technology, capable of resisting soil pressure, stone extrusion, and gnawing by rodents during underground laying. The outermost layer is a polyethylene (PE) sheath, which has acid and alkali resistance, UV resistance, and low-temperature resistance. Even in humid and salinized soil, it can maintain structural stability for a long time, extending the service life of the cable.​ In terms of performance, the rated voltage of the cable is 1kv, which meets the standard requirements of low-voltage distribution systems and can stably transmit alternating current or direct current. The long-term allowable operating temperature is 90℃, and it can withstand a high temperature of 250℃ during a short circuit (lasting no more than 5 seconds), ensuring that it will not be damaged due to overheating in case of sudden overload. The current-carrying capacity varies according to the cross-sectional area: the current-carrying capacity of the 12mm² cable is about 50-60A, the 25mm² is about 80-95A, and the 100mm² can reach 180-200A. Users can choose the appropriate specification according to the actual load calculation. In addition, the insulation resistance of the cable exceeds 1000MΩ·km, and the dielectric loss tangent (tanδ) is less than 0.005, ensuring efficient power transmission and reducing energy loss.​ In application scenarios, 12mm² cables are often used for household meter wiring in residential communities, underground wiring of street lights and green irrigation systems; 25mm² cables are suitable for underground trunk lines in urban village reconstruction and small commercial blocks, connecting transformers and distribution cabinets; 100mm² cables are widely used in underground pipe networks of industrial parks to provide power for enterprises such as machinery factories and food factories. Due to the all-aluminium structure, the cable can also effectively avoid electrochemical corrosion caused by stray current in the soil, and is especially suitable for areas with stray current such as subway lines and electrified railway surroundings.​ In terms of installation and maintenance, the cable supports various underground installation methods such as direct burial, pipe laying, and trench laying. For direct burial, it must be buried below the frozen soil layer and keep a safe distance from underground pipelines, optical cables, etc.; for pipe laying, HDPE pipes with smooth inner walls should be used to reduce wear on the sheath during laying. After laying, insulation resistance testing and pressure resistance testing must be carried out to ensure that the cable is undamaged. In daily maintenance, the cable path can be located through ground signs to avoid accidental damage caused by later construction; regularly 检测 the pH value and humidity of the soil, and take anti-corrosion measures in areas with high corrosion risk, which can further extend the service life of the cable.​ In conclusion, the 1kv underground aluminium Hda conductor cable (12mm², 25mm², 100mm²) has become an ideal solution for underground low-voltage distribution systems due to the cost advantage of aluminium conductors, the environmental adaptability of multi-layer protection, and flexible specification options. It can not only meet the power transmission needs of different scenarios but also balance economy and reliability, providing a strong guarantee for the safe and stable operation of underground power networks.

The Low Voltage 0.6/1KV Underground Cable YKY—featuring PVC (polyvinyl chloride) insulation, PVC sheath, and a 50mm² cross-sectional area (CSA)—is a specialized electrical transmission solution engineered for reliable underground low-voltage (LV) power distribution. Designed to operate within the 0.6/1KV voltage range (0.6KV phase-to-earth, 1KV phase-to-phase), it is tailored to meet the unique challenges of underground installations, such as moisture exposure, soil pressure, and mechanical impact. Its combination of cost-effective PVC materials, robust structural design, and optimized current-carrying capacity makes it a staple in residential, commercial, and light industrial underground power networks, bridging the gap between LV substations and end-user electrical systems (e.g., homes, small businesses, and public facilities). At the core of the YKY cable’s functionality is its high-conductivity copper or aluminum conductor (depending on application needs), paired with a 50mm² CSA—a sizing carefully calibrated to balance current-carrying capacity and installation practicality. For copper conductors (the most common choice for underground use), the 50mm² CSA delivers an ampacity of approximately 110–130A (at 25°C ambient temperature, direct burial), sufficient to power medium-density residential neighborhoods (serving 50–80 households) or small commercial complexes (e.g., retail strips, office parks). Copper’s inherent advantages—low resistivity (1.72×10⁻⁸ Ω·m), excellent thermal stability, and corrosion resistance—ensure minimal energy loss during transmission, even over long underground runs (up to 500 meters). For cost-sensitive projects, aluminum conductors (with a 50mm² CSA) offer a viable alternative, providing an ampacity of 85–100A while reducing material costs by 30–40% compared to copper; aluminum’s lighter weight also simplifies handling during installation, though it requires anti-corrosion treatments (e.g., tin plating) to withstand underground moisture. A defining feature of the YKY cable is its double-layer PVC protection: PVC insulation and a PVC outer sheath. This dual-PVC design addresses the critical risks of underground installations—moisture ingress, chemical corrosion, and mechanical wear—while maintaining cost-effectiveness. The PVC insulation (typically 1.2–1.5mm thick) directly encases the conductor, providing robust electrical isolation to prevent short circuits and leakage. PVC insulation exhibits a dielectric strength of 15–20 kV/mm, easily withstanding the 0.6/1KV voltage rating, and operates reliably within a temperature range of -15°C to +70°C—compatible with most underground environments, from temperate regions to mild tropical climates. Unlike more expensive insulation materials (e.g., XLPE), PVC is easy to extrude and process, lowering manufacturing costs without compromising basic performance. The PVC outer sheath (1.5–2.0mm thick) adds a second layer of defense against external threats. It is formulated with carbon black (for UV resistance, even if the cable is exposed during installation) and plasticizers (to enhance flexibility), making it resistant to soil pressure (up to 80 kPa, equivalent to 8 meters of soil depth), root penetration from nearby vegetation, and chemical contaminants in soil (e.g., fertilizers, industrial runoff). The sheath’s smooth surface reduces friction during installation, allowing the cable to be pulled through underground ducts (e.g., 50mm or 75mm diameter PVC conduits) with minimal force, reducing labor time and the risk of sheath damage. Additionally, the PVC sheath is flame-retardant (meeting IEC 60332-1 standards), ensuring that in the event of a nearby fire, the cable does not contribute to flame spread—a critical safety feature for underground cables passing near residential or commercial buildings. The 50mm² YKY cable’s design is optimized for versatile underground applications, spanning residential, commercial, and light industrial use cases. In residential areas, it is commonly used as a “feeder cable” to transmit power from neighborhood LV substations to underground distribution boxes, which then supply individual homes via smaller cables (e.g., 2.5mm² or 4mm² BVR cables). Its 110–130A ampacity (for copper) can support the combined load of 50–80 households (each with a typical peak load of 2–3kW), eliminating the need for multiple parallel cables and reducing duct space requirements. In commercial settings, the cable powers small shopping centers or office parks, connecting to main electrical panels that distribute power to stores, offices, and HVAC systems; the PVC sheath’s chemical resistance ensures longevity even in areas with soil contaminated by cleaning agents or parking lot runoff. For light industrial applications (e.g., small workshops, warehouses), the cable transmits power to machinery and equipment, with its mechanical durability standing up to occasional impacts from construction or maintenance activities. Compliance with international standards is a cornerstone of the YKY cable’s reliability, ensuring interoperability with global LV infrastructure and regulatory approval. It adheres to benchmarks such as IEC 60227 (for low-voltage PVC-insulated cables) and regional standards like BS 6004 (UK) and ANSI/UL 44 (North America). These standards govern critical parameters: insulation thickness (minimum 1.2mm for 0.6/1KV), sheath thickness (minimum 1.5mm), conductor purity (99.95% for copper), and flame retardancy. For example, IEC 60227 requires the cable to pass a “water immersion test” (submerged in 23°C water for 24 hours, with insulation resistance remaining ≥100 MΩ) and a “cold bend test” (bent around a mandrel at -15°C without cracking), confirming its suitability for underground moisture and temperature fluctuations. Compliance with these standards simplifies project approval processes, as contractors and utility companies can trust the cable to meet local safety and performance requirements. Practical installation benefits further enhance the YKY cable’s appeal for underground use. Its flexibility (minimum bending radius of 10× cable diameter, or ~50mm for a 5mm-diameter 50mm² cable) allows it to navigate around obstacles such as underground pipes or utility lines, reducing the need for costly rerouting. The cable is typically supplied in 100m or 200m reels, which are lightweight enough (25–35kg for a 100m copper 50mm² reel) to be transported by small trucks to job sites, even in residential areas with narrow access roads. For direct burial (without conduits), the cable can be installed at a depth of 0.7–1.0 meters (per IEC 60364 standards), with minimal additional protection (e.g., a layer of sand to prevent rock damage), further lowering installation costs. In summary, the Low Voltage 0.6/1KV Underground Cable YKY (PVC Insulation, PVC Sheath, 50mm²) is a cost-effective, reliable solution for underground LV power distribution. Its 50mm² CSA balances current-carrying capacity with installation practicality, while the dual-PVC design provides robust protection against underground hazards. Whether powering residential neighborhoods, small commercial complexes, or light industrial facilities, the YKY cable delivers consistent performance, complies with global standards, and simplifies installation—making it a preferred choice for contractors, utility companies, and project managers seeking a balance of affordability and functionality in underground LV networks.