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    Low Voltage Aerial Bundled Cable (ABC) , 4-Core, AAAC Conductor, XLPE Insulated, Black UV-Resistant LLDPE Sheathed, 0.6/1kv, 4X70mm²

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    Overhead insulated line wires
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    2025-09-02 09:21:46
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Comprehensive Details of Low Voltage Aerial Bundled Cable (ABC): 4-Core, AAAC Conductor, XLPE Insulated, Black UV-Resistant LLDPE Sheathed, 0.6/1kV, 4X70mm²

1. Product-Specific Information

1.1 Specification Parameters: The Technical Foundation of Performance

The Low Voltage Aerial Bundled Cable (ABC) with the configuration of 4-Core, AAAC Conductor, XLPE Insulated, Black UV-Resistant LLDPE Sheathed, 0.6/1kV, 4X70mm² is engineered with precise technical parameters that define its functionality, safety, and compatibility with low-voltage distribution systems. Every parameter is calibrated to meet international standards (such as IEC 60502-1 for low-voltage Power Cables and IEC 61089 for Aerial Bundled Cables) and industry-specific requirements, ensuring consistent performance across diverse applications.

1.1.1 Electrical Parameters

  • Voltage Rating: The 0.6/1kV rating is a critical electrical specification that dictates the cable’s operational limits. The first value (0.6kV) represents the maximum phase-to-earth voltage, while the second (1kV) denotes the maximum phase-to-phase voltage. This rating aligns with global low-voltage distribution norms, making the cable suitable for supplying power to residential complexes, commercial buildings, small industrial units, and rural electrification projects—where the standard low-voltage grid operates within this voltage range. It ensures the cable can withstand normal operating voltages without electrical breakdown, as well as temporary voltage fluctuations (e.g., voltage spikes from lightning or equipment startups) without compromising insulation integrity.

  • Current-Carrying Capacity: Each 70mm² AAAC conductor contributes to the cable’s impressive current-carrying capability. Under standard operating conditions (ambient temperature of 30°C, wind speed of 0.5m/s, and solar radiation of 1000W/m²), the 4X70mm² configuration can safely carry a continuous current of approximately 180-200A (depending on installation conditions, such as whether the cable is installed in free air or bundled with other cables). This capacity is sufficient to meet the power demands of multiple households (each typically consuming 1-5kW) or small commercial facilities, reducing the need for parallel cable installations and lowering overall project costs.

  • Dielectric Strength: The XLPE insulation provides a dielectric strength of at least 20kV/mm, a key parameter that prevents electrical leakage and breakdown. This high dielectric strength ensures that even when the cable is exposed to moisture, dust, or minor physical damage, the insulation remains effective in isolating the live conductors from the environment and from each other. For the 0.6/1kV rating, this dielectric strength provides a significant safety margin, reducing the risk of short circuits or electric shocks.

  • Insulation Resistance: The XLPE insulation also exhibits excellent insulation resistance—typically exceeding 1000MΩ at 20°C when measured using a 500V megohmmeter. High insulation resistance minimizes leakage current, which in turn reduces energy loss during transmission. For utilities, this translates to improved grid efficiency and lower operational costs, as less energy is wasted as heat.

1.1.2 Mechanical Parameters

  • Conductor Tensile Strength: The AAAC conductor (All-Aluminum Alloy Conductor) used in this cable has a minimum tensile strength of 120MPa, a critical attribute for aerial installations. When suspended between utility poles (which can be spaced 50-100 meters apart in rural areas), the cable must withstand its own weight, wind loads, and occasional loads from ice accumulation. The high tensile strength of AAAC prevents excessive sagging (which can lead to contact with trees or buildings) and ensures the conductor remains intact even under moderate mechanical stress.

  • Elongation at Break: The AAAC conductor also has an elongation at break of 10-15%, meaning it can stretch slightly under tension without breaking. This Flexibility is essential for absorbing sudden shocks (e.g., from a falling branch hitting the cable) and reducing the risk of conductor failure.

  • Sheath Impact Resistance: The black UV-resistant LLDPE (Linear Low-Density Polyethylene) sheath has a high impact resistance, measured by the Izod impact test at -40°C (to simulate cold weather conditions). It typically achieves an impact strength of 5-10 kJ/m², ensuring the sheath can withstand accidental impacts (e.g., from maintenance tools or wildlife) without cracking. This protects the underlying XLPE insulation and AAAC conductors from environmental damage.

  • Bending Radius: The cable has a minimum bending radius of 12 times its outer diameter (OD) for fixed installations and 20 times its OD for dynamic bending (e.g., during installation). The outer diameter of the 4X70mm² ABC Cable is approximately 25-30mm (depending on insulation and sheath thickness), so the minimum fixed bending radius is 300-360mm. This parameter ensures the cable can be routed around utility poles, corners, or obstacles without damaging the insulation or conductors.

1.1.3 Dimensional Parameters

  • Conductor Cross-Sectional Area: Each of the 4 Cores has a nominal cross-sectional area of 70mm², with a tolerance of ±5% (in line with IEC standards). The actual copper equivalent area (for current-carrying capacity comparison) is approximately 50mm², as aluminum has a lower conductivity than copper. However, the AAAC conductor’s alloy composition compensates for this by providing higher mechanical strength, making it a more cost-effective alternative to Copper Conductors.

  • Insulation Thickness: The XLPE insulation around each conductor has a minimum thickness of 1.2mm (for the 0.6/1kV rating). This thickness is calculated to provide adequate electrical insulation and mechanical protection, while keeping the cable’s overall diameter compact. Thicker insulation would increase the cable’s weight and cost, while thinner insulation would compromise safety.

  • Sheath Thickness: The LLDPE sheath has a minimum thickness of 2.0mm, ensuring it can withstand outdoor exposure and mechanical impacts. The sheath also has a uniform thickness across the entire length of the cable, preventing weak points that could lead to premature failure.

  • Overall Cable Diameter: As mentioned earlier, the outer diameter of the cable ranges from 25-30mm. This compact size is advantageous for aerial installations, as it reduces wind resistance (lowering the risk of cable oscillation or damage during storms) and allows for easier installation in tight spaces (e.g., between existing Power Lines).

1.2 Distinctive Features and Applications: Tailored for Aerial Low-Voltage Distribution

The design of this ABC cable incorporates several distinctive features that make it uniquely suited for aerial low-voltage distribution, addressing the specific challenges of outdoor installation and reliable power supply. These features also expand its application range, making it a versatile solution for diverse environments.

1.2.1 Key Features

  • Integrated 4-Core Design: Unlike traditional aerial cables that require separate phase and neutral conductors (installed as individual wires), this ABC cable bundles 4 Cores (3 phase conductors + 1 neutral conductor) into a single unit. This integration simplifies installation, as only one cable needs to be strung between utility poles, reducing labor time and costs. It also minimizes the risk of phase-to-phase or phase-to-neutral faults, as the cores are insulated and sheathed together, preventing accidental contact between live conductors. Additionally, the bundled design reduces the number of cables on utility poles, improving visual aesthetics—an important consideration for urban areas and residential neighborhoods.

  • AAAC Conductor: Strength and Corrosion Resistance: The use of AAAC (All-Aluminum Alloy Conductor) is a standout feature, offering a balance of mechanical strength and corrosion resistance that is superior to pure aluminum or Copper Conductors. Pure Aluminum Conductors are prone to creep (slow deformation under long-term tension), which can lead to excessive sagging over time. Copper conductors, while having high conductivity, are heavy and expensive—making them impractical for long-span aerial installations. AAAC, alloyed with magnesium and silicon, addresses these issues: it has 20-30% higher tensile strength than pure aluminum, resists creep, and is 30-40% lighter than copper. Its corrosion resistance is particularly valuable in harsh environments, such as coastal areas (where saltwater spray accelerates corrosion) or industrial zones (with high levels of sulfur dioxide or other pollutants).

  • XLPE Insulation: Thermal and Electrical Stability: XLPE (Cross-Linked Polyethylene) insulation is another key feature, providing exceptional thermal and electrical performance. Unlike PVC (polyvinyl chloride) insulation (which is commonly used in low-Voltage Cables), XLPE is a thermoset material—created by cross-linking polyethylene molecules through chemical (peroxide) or radiation processes. This cross-linking gives XLPE a high continuous operating temperature (up to 90°C) and a short-term overload temperature (up to 130°C), compared to PVC’s maximum continuous operating temperature of 70°C. This thermal stability allows the cable to handle temporary current surges (e.g., during peak electricity demand in summer, when air conditioners are in heavy use) without insulation degradation. XLPE also has low dielectric loss (tan δ < 0.001 at 60Hz), which reduces energy loss during transmission—critical for utilities aiming to improve grid efficiency.

  • Black UV-Resistant LLDPE Sheath: Weather Durability: The black UV-resistant LLDPE sheath is designed specifically for outdoor aerial installations, where the cable is exposed to direct sunlight, rain, snow, and temperature fluctuations. LLDPE is a flexible, impact-resistant material that provides mechanical protection to the Insulated Conductors, shielding them from physical damage (e.g., from tree branches, birds, or maintenance activities). The UV-resistant modification is essential: sunlight’s ultraviolet (UV) radiation breaks down polymer bonds, causing non-UV-resistant sheaths to become brittle, crack, and lose their protective properties within 2-3 years. The black color of the sheath enhances UV protection by absorbing UV rays (rather than reflecting them), while the UV stabilizers (added during sheath extrusion) further slow down degradation. Tests show that the UV-resistant LLDPE sheath can maintain its integrity for 15-20 years in outdoor environments—significantly extending the cable’s service life.

1.2.2 Target Applications

  • Rural Electrification: Rural areas often have long-span aerial installations (with utility poles spaced 50-100 meters apart) and are exposed to harsh weather conditions (strong winds, heavy snow, intense sunlight). This ABC cable is ideal for rural electrification projects because: the AAAC conductor’s high tensile strength withstands long-span tension and wind loads; the UV-resistant LLDPE sheath resists weathering; and the 4-core design simplifies installation in areas with limited access to labor and equipment. For example, in remote farming communities, the cable can supply power to irrigation systems, farmhouses, and small agricultural processing units—reliable power that is essential for increasing agricultural productivity.

  • Urban Residential and Commercial Areas: In cities and towns, space on utility poles is limited, and visual aesthetics are important. The compact 4-core design of this ABC cable reduces the number of cables on poles, while its black sheath blends with the urban landscape (compared to bright-colored sheaths). It is commonly used to supply power to residential apartment complexes, shopping malls, and office buildings—where the 0.6/1kV rating and 4X70mm² current-carrying capacity meet the demand for reliable low-voltage power. In addition, the XLPE insulation’s resistance to moisture and chemicals makes it suitable for urban environments, where the cable may be exposed to rain, dust, and occasional chemical spills (e.g., from road cleaning or construction activities).

  • Industrial Facilities: Light industrial facilities (such as manufacturing plants, warehouses, and logistics centers) require low-voltage power for machinery, lighting, and HVAC systems. This ABC cable is well-suited for these applications because: the XLPE insulation can withstand the higher temperatures generated by industrial equipment; the LLDPE sheath resists damage from dust, vibration, and occasional impacts; and the AAAC conductor’s corrosion resistance protects against industrial pollutants. For example, in a food processing plant, the cable can be installed aerially to supply power to packaging machines and refrigeration units—without the risk of insulation degradation from moisture or cleaning chemicals.

  • Renewable Energy Integration: With the growth of renewable energy (e.g., solar farms and small wind turbines), there is an increasing need for low-voltage cables to connect renewable energy systems to the grid. This ABC cable is suitable for this application because: it can be installed aerially over large solar farms (where ground installation is impractical); the UV-resistant sheath withstands the intense sunlight in solar farm locations; and the 4-core design allows for three-phase power transmission (required for most renewable energy inverters). For example, a 10MW solar farm may use this cable to connect its inverter stations to the local low-voltage grid, ensuring efficient power transfer.

1.3 Material Selection: Why AAAC, XLPE, and LLDPE?

The materials used in this ABC cable are not chosen arbitrarily—each is selected for its ability to address the unique challenges of aerial low-voltage distribution, from mechanical stress to environmental degradation. A detailed analysis of material properties reveals why AAAC, XLPE, and LLDPE are the optimal choices.

1.3.1 AAAC Conductor: The Strength-to-Weight Champion

AAAC (All-Aluminum Alloy Conductor) is composed of 97-98% aluminum, with small additions of magnesium (0.5-1.0%), silicon (0.5-1.0%), and trace elements (e.g., iron, copper). This alloy composition gives AAAC several advantages over other Conductor Materials:
  • Mechanical Strength: The magnesium and silicon form intermetallic compounds (Mg₂Si) during the alloying process, which strengthen the aluminum matrix. This results in a tensile strength of 120-140MPa (compared to 80-100MPa for pure aluminum) and a yield strength of 80-100MPa (compared to 40-60MPa for pure aluminum). These properties allow AAAC to withstand the tension of aerial installation (e.g., spanning 50-100 meters between poles) without excessive sagging or deformation.

  • Corrosion Resistance: Aluminum naturally forms a thin oxide layer (Al₂O₃) on its surface, which protects it from corrosion. However, pure aluminum’s oxide layer can be damaged by saltwater, industrial pollutants, or acidic rain. AAAC’s alloy composition enhances this corrosion resistance: the magnesium and silicon stabilize the oxide layer, making it more resistant to breakdown. In coastal areas, for example, AAAC conductors have been shown to have a service life of 25-30 years, compared to 15-20 years for pure Aluminum Conductors.

  • Conductivity: While AAAC has a lower conductivity than copper (61% IACS, compared to 100% IACS for copper), it has a higher conductivity than pure aluminum (58% IACS). This means that for a given cross-sectional area, AAAC can carry slightly more current than pure aluminum—making the 70mm² AAAC conductor a cost-effective alternative to larger pure aluminum conductors.

  • Lightweight: AAAC has a density of 2.7g/cm³ (the same as pure aluminum), which is 3.3 times lighter than copper (8.9g/cm³). This lightweight property reduces the load on utility poles and support structures, lowering installation costs (e.g., smaller poles can be used, and less labor is required to lift the cable).

1.3.2 XLPE Insulation: The Thermoset Advantage

XLPE (Cross-Linked Polyethylene) is produced by cross-linking linear polyethylene molecules into a three-dimensional network. This cross-linking process (typically using organic peroxides, such as dicumyl peroxide) transforms polyethylene from a thermoplastic (which melts when heated) to a thermoset (which retains its shape and properties at high temperatures). The key properties of XLPE that make it ideal for cable insulation include:
  • Thermal Stability: XLPE has a high glass transition temperature (Tg) of approximately -50°C and a continuous operating temperature of up to 90°C. It can also withstand short-term overloads at 130°C for up to 8 hours (per IEC 60502-1), which is critical for handling temporary current surges. In contrast, PVC Insulation begins to degrade at 70°C, releasing toxic fumes (e.g., hydrogen chloride) and losing its insulation properties.

  • Electrical Performance: XLPE has a high dielectric constant (εr ≈ 2.3 at 60Hz) and low dielectric loss (tan δ < 0.001 at 60Hz), which minimize energy loss during transmission. Its dielectric strength (20-25kV/mm) is significantly higher than PVC’s (10-15kV/mm), providing a larger safety margin against electrical breakdown.

  • Chemical Resistance: XLPE is resistant to most chemicals, including acids, alkalis, oils, and solvents—making it suitable for industrial and agricultural environments. It is also resistant to moisture absorption (water absorption < 0.01% by weight after 24 hours of immersion), which prevents insulation degradation from water ingress.

  • Long Service Life: Due to its thermal and chemical stability, XLPE insulation has a service life of 20-25 years in outdoor applications—twice as long as PVC insulation (10-12 years). This reduces the need for cable replacement, lowering maintenance costs for utilities.

1.3.3 LLDPE Sheath: Flexibility and Durability

LLDPE (Linear Low-Density Polyethylene) is a type of polyethylene produced by copolymerizing ethylene with alpha-olefins (e.g., butene, hexene). This copolymerization gives LLDPE a linear molecular structure with short side chains, which enhances its flexibility and impact resistance. The addition of UV stabilizers (e.g., hindered amine light stabilizers, HALS) and carbon black (for the black color) further enhances its suitability for outdoor use. Key properties of LLDPE that make it an ideal sheath material include:
  • Flexibility: LLDPE has a low modulus of elasticity (100-200MPa), making it highly flexible even at low temperatures (down to -40°C). This flexibility allows the cable to be bent during installation (within the specified bending radius) without cracking the sheath, which is essential for routing around utility poles or obstacles. In contrast, high-density polyethylene (HDPE) is stiffer and more prone to cracking at low temperatures, making it less suitable for Aerial Cables that may be installed in cold climates.

  • Impact Resistance: The short side chains in LLDPE’s molecular structure absorb energy during impacts, giving it excellent impact resistance. As noted earlier, the sheath achieves an Izod impact strength of 5-10 kJ/m² at -40°C—significantly higher than HDPE (2-5 kJ/m² at the same temperature). This means the sheath can withstand accidental impacts (e.g., from a falling branch or maintenance tool) even in freezing weather, protecting the underlying insulation and conductors.

  • UV Resistance: The addition of UV stabilizers (typically 0.1-0.5% by weight) and carbon black (2-3% by weight) gives the LLDPE sheath exceptional UV resistance. Carbon black absorbs UV radiation, preventing it from penetrating the sheath and breaking down polymer bonds, while HALS scavenge free radicals generated by UV exposure—slowing down oxidation and degradation. Accelerated weathering tests (simulating 10 years of outdoor exposure) show that the UV-resistant LLDPE sheath retains over 80% of its impact strength and flexibility, compared to non-UV-resistant LLDPE (which retains less than 40% of its properties).

  • Chemical Resistance: LLDPE is resistant to a wide range of chemicals, including saltwater, fertilizers, pesticides, and most industrial solvents. This makes the sheath suitable for agricultural areas (where the cable may be exposed to fertilizers or pesticides) and coastal areas (where saltwater spray is common). It is also resistant to mold and mildew growth, which can degrade some polymer materials in humid environments.

1.4 Production Process: Precision Manufacturing for Consistent Quality

The production of this Low Voltage ABC Cable involves a series of specialized processes, each controlled to meet strict quality standards and ensure the final product meets its design specifications. From conductor drawing to final testing, every step is optimized to enhance performance, durability, and safety.

1.4.1 Conductor Manufacturing: Drawing and Stranding AAAC

The first step in production is manufacturing the AAAC conductors. The process begins with aluminum alloy ingots (composed of 97-98% aluminum, 0.5-1.0% magnesium, 0.5-1.0% silicon, and trace elements) that are melted and cast into cylindrical billets. These billets are then heated to approximately 500°C and extruded into aluminum alloy rods with a diameter of 9.5-12mm.
Next, the rods undergo a drawing process to reduce their diameter and increase their tensile strength. The rods are pulled through a series of diamond dies (with decreasing hole sizes) at room temperature, a process known as cold drawing. This cold working aligns the metal’s crystal structure, increasing the tensile strength of the aluminum alloy. For the 70mm² conductor, multiple drawn wires (typically 19 wires of 2.1mm diameter each) are then stranded together using a stranding machine. Stranding is done in a helical pattern to enhance the conductor’s flexibility and reduce the risk of breakage during installation. The stranding process also ensures the conductor has a uniform cross-sectional area, with a tolerance of ±5% (in line with IEC standards).
After stranding, the AAAC conductors undergo an annealing process to relieve internal stresses caused by cold drawing. The conductors are heated to 300-350°C for 1-2 hours and then cooled slowly. This annealing process improves the conductor’s ductility (elongation at break) while maintaining its tensile strength—ensuring it can withstand the mechanical stresses of aerial installation.

1.4.2 Insulation Extrusion: Applying XLPE to Conductors

Once the AAAC conductors are manufactured, each conductor is insulated with XLPE using an extrusion process. The extrusion line consists of a hopper (for feeding XLPE pellets), a screw extruder (for melting and mixing the XLPE), a cross-head die (for applying the melted XLPE around the conductor), and a cooling system (for solidifying the insulation).
First, XLPE pellets (containing a peroxide cross-linking agent, such as dicumyl peroxide) are fed into the hopper. The pellets are then conveyed through the screw extruder, where they are heated to 120-140°C—melting the polyethylene and activating the peroxide cross-linking agent. The melted XLPE is then forced through the cross-head die, which is designed to apply a uniform layer of insulation around the conductor. The thickness of the insulation is controlled by adjusting the extruder’s screw speed and the conductor’s line speed—ensuring a minimum thickness of 1.2mm for the 0.6/1kV rating.
After extrusion, the insulated conductors pass through a cooling tank filled with water. This rapid cooling solidifies the XLPE insulation, but the cross-linking process is not yet complete. The insulated conductors then enter a curing tube (also known as a vulcanization tube), where they are heated to 180-200°C for 5-10 minutes. This high temperature causes the peroxide to decompose, generating free radicals that cross-link the polyethylene molecules into a three-dimensional network. The curing process transforms the XLPE from a thermoplastic to a thermoset material, giving it the thermal and electrical stability required for cable insulation.
After curing, the insulated conductors are inspected for thickness, uniformity, and surface defects using a laser thickness gauge and visual inspection. Any conductors with defects (e.g., thin insulation, bubbles, or scratches) are rejected to ensure quality.

1.4.3 Core Bundling and Sheath Extrusion: Creating the Final Cable

Once all four conductors are insulated with XLPE, they are bundled together using a cabling machine. The four Insulated Cores (3 phase conductors + 1 neutral conductor) are twisted together in a helical pattern to form a compact bundle. The twisting pitch (the distance between consecutive twists) is carefully controlled—typically 20-30 times the outer diameter of the bundled cores—to ensure the cable remains flexible and easy to handle.
After bundling, the entire core assembly is sheathed with black UV-resistant LLDPE using a second extrusion process. This extrusion line is similar to the insulation extrusion line but uses a larger cross-head die to accommodate the bundled cores. The LLDPE pellets (containing UV stabilizers and carbon black) are fed into the extruder, melted at 160-180°C, and applied around the bundled cores. The thickness of the sheath is controlled to ensure a minimum of 2.0mm, with a uniform thickness across the entire length of the cable.
After extrusion, the Sheathed Cable passes through a cooling tank to solidify the LLDPE sheath. The cable is then wound onto large spools (typically 500-1000 meters per spool) using a take-up machine. The spools are labeled with the cable’s specifications (e.g., 4-Core, AAAC, XLPE, LLDPE, 0.6/1kV, 4X70mm²), production date, and batch number for traceability.

1.4.4 Quality Testing: Ensuring Compliance with Standards

Before the cable is shipped to customers, it undergoes a series of rigorous quality tests to ensure it meets international standards (IEC 60502-1 and IEC 61089) and design specifications. These tests include:
  • Electrical Tests:

    • Voltage Test: The cable is subjected to a 3kV AC voltage for 5 minutes (phase-to-earth) and a 5kV AC voltage for 5 minutes (phase-to-phase) to check for insulation breakdown. No leakage current or breakdown is allowed.

    • Insulation Resistance Test: Using a 500V megohmmeter, the insulation resistance between conductors and between conductors and sheath is measured. The resistance must exceed 1000MΩ at 20°C.

    • Current-Carrying Capacity Test: A sample cable is heated to 90°C (continuous operating temperature) and loaded with current until the temperature stabilizes. The current at stabilization is measured to ensure it meets the 180-200A rating.

  • Mechanical Tests:

    • Tensile Test: A sample of the AAAC conductor is pulled until it breaks, and the tensile strength and elongation at break are measured. The tensile strength must be at least 120MPa, and elongation at break must be 10-15%.

    • Impact Test: The LLDPE sheath is tested using the Izod impact method at -40°C. The impact strength must be at least 5kJ/m².

    • Bending Test: The cable is bent around a mandrel with a radius equal to 12 times its outer diameter (for fixed installation) and then checked for cracks in the insulation and sheath. No cracks are allowed.

  • Dimensional Tests:

    • Conductor Cross-Sectional Area: A sample conductor is cut, and its cross-sectional area is measured using a microscope. The area must be 70mm² ±5%.

    • Insulation and Sheath Thickness: Using a laser thickness gauge, the thickness of the XLPE insulation and LLDPE sheath is measured at multiple points along the cable. The minimum thickness must be 1.2mm (insulation) and 2.0mm (sheath).

  • Environmental Tests:

    • UV Resistance Test: A sample cable is exposed to accelerated UV radiation (1000W/m²) for 1000 hours. After exposure, the sheath’s impact strength and flexibility are measured. The sheath must retain over 80% of its original properties.

    • Corrosion Test: A sample AAAC conductor is immersed in a 5% saltwater solution for 1000 hours. After immersion, the conductor’s tensile strength is measured. No significant loss of strength (less than 10%) is allowed.

Any cable that fails these tests is rejected and recycled, ensuring only high-quality products reach customers.

2. Product General Information

2.1 Packaging: Protecting the Cable During Storage and Transportation

Proper packaging is critical to protecting the Low Voltage ABC Cable from physical damage, moisture, and dust during storage and transportation. The packaging is designed to be durable, easy to handle, and compatible with standard shipping and storage practices.

2.1.1 Primary Packaging: Spools and Wrapping

Each cable is wound onto a wooden or steel spool (depending on the cable length and customer preference). Wooden spools are made from high-quality pine or plywood, with a diameter of 800-1200mm (depending on the cable length) and a flange thickness of 100-150mm. Steel spools are made from galvanized steel, providing additional durability for long-distance shipping or heavy-duty storage. The spools are designed to support the weight of the cable (typically 100-200kg for a 500-meter spool of 4X70mm² ABC cable) and prevent deformation during handling.
Before winding, the spool’s core is lined with a layer of corrugated cardboard to prevent the cable from coming into direct contact with the spool material, which could cause scratches on the LLDPE sheath. The cable is wound onto the spool in a uniform, tight pattern to prevent tangling and ensure easy unwinding during installation. After winding, the cable is wrapped with stretch film (20-30μm thick) to protect it from dust and moisture. The stretch film is applied in multiple layers, covering the entire length of the cable on the spool.
For additional protection (especially for long-distance shipping or storage in humid environments), the wrapped cable is covered with a polyethylene (PE) bag (50-70μm thick). The PE bag is sealed with heat to create a moisture-proof barrier, preventing water ingress that could damage the XLPE insulation. A desiccant packet (50-100g) is also placed inside the PE bag to absorb any residual moisture.

2.1.2 Secondary Packaging: Pallets and Strapping

Multiple spools (typically 4-6 spools per pallet, depending on spool size) are placed on a wooden pallet (1200mm x 1000mm, in line with ISO standards) for transportation. The pallets are made from heat-treated wood (to comply with ISPM 15 standards, which regulate the movement of wood packaging materials to prevent the spread of pests) and have a load capacity of 1000-1500kg.
The spools are secured to the pallet using steel strapping (16mm wide, 0.8mm thick) to prevent movement during transportation. The strapping is applied around the spools and the pallet in a crisscross pattern, with a tension of 500-800N to ensure the spools remain stable. For additional protection, the entire pallet (with spools) is wrapped with stretch film (30-40μm thick) to protect against dust, moisture, and physical damage.

2.1.3 Labeling and Documentation

Each spool is labeled with a weather-resistant paper label (laminated with PE film) that includes the following information:
  • Cable specifications: 4-Core, AAAC Conductor, XLPE Insulated, Black UV-Resistant LLDPE Sheathed, 0.6/1kV, 4X70mm²

  • Length of cable on the spool (e.g., 500m, 1000m)

  • Net weight of the cable (e.g., 120kg)

  • Gross weight of the spool (cable + spool, e.g., 180kg)

  • Production batch number and date

  • Manufacturer’s name and contact information

  • Compliance with standards (e.g., IEC 60502-1, IEC 61089)

A packing list is attached to each pallet, detailing the number of spools, total cable length, total gross weight, and order number. For international shipments, additional documentation is provided, including a certificate of conformity (stating the cable meets all applicable standards), a material safety data sheet (MSDS) (providing information on the cable’s materials and safety handling), and a bill of lading (for ocean shipping) or air waybill (for air shipping).

2.1.4 Storage Recommendations

To ensure the cable retains its performance during storage, the following recommendations are provided to customers:
  • Storage Environment: The cable should be stored in a dry, well-ventilated warehouse with a temperature range of -20°C to 40°C. It should be protected from direct sunlight, rain, snow, and extreme temperatures (which can degrade the LLDPE sheath or XLPE insulation).

  • Handling: The spools should be lifted using a forklift or crane with a spreader bar (to avoid damaging the spool flanges). Do not drag or drop the spools, as this can cause the cable to unwind or the sheath to scratch.

  • Shelf Life: When stored under proper conditions, the cable has a shelf life of 2 years from the production date. After 2 years, the cable should be inspected (for sheath flexibility, insulation resistance, and conductor corrosion) before use.

2.2 Transportation: Ensuring Safe and On-Time Delivery

The transportation of the Low Voltage ABC Cable is managed to ensure the product arrives at the customer’s location in good condition and on schedule. We work with reputable logistics partners and offer multiple transportation options to meet customer needs.

2.2.1 Transportation Options

  • Road Transportation: For domestic shipments (within the same country) or short-distance international shipments (e.g., within the European Union), road transportation is the preferred option. We use trucks with flatbed trailers (equipped with side rails to secure the pallets) or enclosed trailers (for additional protection against weather). The maximum load per truck is 20-25 pallets (depending on truck size), with a total weight of 20-25 tons. Road transportation typically takes 1-5 days, depending on the distance.

  • Ocean Shipping: For long-distance international shipments (e.g., from Asia to Europe or North America), ocean shipping is the most cost-effective option. The pallets are loaded into 20-foot or 40-foot shipping containers (20-foot containers can hold 10-12 pallets, 40-foot containers can hold 22-25 pallets). The containers are sealed to prevent tampering and are loaded onto container ships. Ocean shipping typically takes 2-6 weeks, depending on the route (e.g., 2 weeks from China to Southeast Asia, 6 weeks from China to North America).

  • Air Shipping: For urgent orders (e.g., emergency repairs or project deadlines), air shipping is available. The cable spools are packed into cartons (to meet airline weight and size restrictions) and shipped via commercial airlines. Air shipping typically takes 2-5 days, depending on the destination, but is more expensive than road or ocean shipping.

2.2.2 Transportation Safety Measures

To ensure the cable is not damaged during transportation, the following safety measures are implemented:

  • Load Securement: For road transportation, the pallets are secured to the trailer using steel strapping and load bars (to prevent movement during acceleration, braking, or turns). For ocean shipping, the containers are loaded onto the ship’s cargo hold and secured with dunnage (wooden or plastic blocks) and lashing ropes to prevent shifting during rough seas. Air shipping cartons are placed in the aircraft’s cargo compartment and secured with netting to avoid movement during takeoff, landing, or turbulence.

  • Weather Protection: For road transportation in rainy or snowy conditions, enclosed trailers are used to protect the pallets from moisture. For ocean shipping, the containers are checked for leaks before loading, and additional moisture-absorbing desiccant packets (100-200g per container) are placed inside to prevent condensation. For air shipping, the cartons are lined with waterproof PE film to protect against moisture in the aircraft’s cargo compartment.

  • Temperature Control: While the cable can withstand a wide temperature range (-20°C to 40°C) during transportation, extreme temperatures (e.g., above 45°C or below -25°C) can damage the LLDPE sheath. For shipments to regions with extreme climates (e.g., the Middle East in summer or Siberia in winter), temperature-controlled trucks (for road) or reefer containers (for ocean) are available as an optional service. These containers maintain a temperature range of 0°C to 30°C, ensuring the cable remains within its safe operating temperature during transit.

  • Real-Time Tracking: All shipments are equipped with real-time tracking systems. For road transportation, GPS trackers are installed on the trucks, allowing customers to monitor the shipment’s location, speed, and estimated time of arrival (ETA) via a web portal or mobile app. For ocean shipping, customers receive a container tracking number to monitor the shipment’s progress through major ports and check the ETA on the shipping line’s website. For air shipping, an air waybill number is provided, enabling tracking via the airline’s platform.

    2.2.3 Customs Clearance Support

  • For international shipments, navigating customs clearance can be complex. We provide comprehensive support to ensure smooth customs processing, including:
  • Documentation Preparation: We prepare all required customs documents, such as commercial invoices (detailing the product description, quantity, value, and origin), packing lists, certificates of origin (to qualify for preferential tariffs under trade agreements like ASEAN Free Trade Area or EU-Mercosur), and certificates of conformity (to demonstrate compliance with the destination country’s standards).

  • Regulatory Compliance: We research and comply with the destination country’s specific regulations for low-voltage cables. For example, shipments to the European Union require compliance with CE marking (per IEC 60502-1), while shipments to the United States require compliance with UL 44 standards. We ensure all cables meet these regulatory requirements before shipping to avoid customs delays or rejections.

  • Customs Broker Partnerships: We work with local customs brokers in major destination countries (e.g., DHL Global Forwarding, Kuehne + Nagel) who have expertise in clearing electrical products. These brokers handle the submission of documents to customs authorities, payment of duties and taxes (on the customer’s behalf, if requested), and resolution of any customs-related issues (e.g., product inspections).

  • 2.3 Shipping Process: Streamlined from Order Confirmation to Delivery

  • The shipping process is designed to be transparent, efficient, and customer-centric, with clear communication at every step to keep customers informed.
  • 2.3.1 Order Confirmation and Production Scheduling

  • Once a customer places an order, we issue an order confirmation within 24 hours, detailing the cable specifications, quantity, total price, payment terms, and estimated production time. The production time for the 4-Core, AAAC, XLPE-Insulated ABC Cable is typically 7-10 working days for standard orders (500-5000 meters) and 12-15 working days for large orders (over 5000 meters). For custom orders (e.g., different conductor sizes or sheath colors), the production time may be extended to 15-20 working days, depending on the customization requirements.
  • We share a production schedule with the customer, outlining key milestones (e.g., conductor manufacturing, insulation extrusion, sheath extrusion, quality testing) and their expected completion dates. Customers can request updates on production progress at any time, and we provide weekly status reports for large orders.
  • 2.3.2 Pre-Shipping Inspection and Documentation Finalization

  • Before shipping, a final pre-shipping inspection is conducted to ensure the cable meets the customer’s order requirements and quality standards. The inspection includes:
  • Verification of cable specifications (conductor size, number of cores, insulation and sheath materials, voltage rating).

  • Check of packaging (spool condition, stretch film wrapping, PE bag sealing, labeling).

  • Review of documentation (packing list, certificate of conformity, MSDS) to ensure accuracy and completeness.

  • Once the inspection is passed, the documentation is finalized and sent to the customer via email for review. The customer has 24 hours to confirm the documentation; if no changes are requested, the shipment is scheduled.
  • 2.3.3 Shipment Booking and Dispatch

  • Based on the customer’s chosen transportation method (road, ocean, air), we book the shipment with our logistics partner within 24 hours of documentation confirmation. For road transportation, we coordinate with the trucking company to schedule pickup from our factory on the agreed date. For ocean shipping, we book a container slot with the shipping line and arrange for the pallets to be transported to the port (typically 2-3 days before the container’s cutoff date). For air shipping, we coordinate with the airline to book a cargo slot and arrange for the cartons to be delivered to the airport (1-2 days before the flight’s departure).
  • On the day of dispatch, we send a shipping confirmation email to the customer, including:
  • Transportation method and logistics partner details.

  • Tracking number (GPS tracker ID for road, container number for ocean, air waybill number for air).

  • ETA at the destination.

  • Contact information of the logistics partner’s local representative (for any delivery-related queries).

  • 2.3.4 Delivery and Receipt Confirmation

  • Upon arrival at the customer’s location, the logistics partner contacts the customer to schedule a delivery time (typically within 1-2 days of arrival). The customer is requested to inspect the shipment upon delivery, including:
  • Checking the number of spools/pallets against the packing list.

  • Inspecting the packaging for damage (e.g., broken spool flanges, torn stretch film, punctured PE bags).

  • Checking the cable for visible damage (e.g., scratches on the sheath, insulation cracks).

  • If the shipment is in good condition, the customer signs a delivery receipt (provided by the logistics partner) to confirm receipt. If there is any damage, the customer must note the damage on the delivery receipt and take photos of the damaged items. We are notified of the damage within 24 hours, and our customer service team initiates a claim with the logistics partner (for compensation) and arranges for replacement of the damaged cable (if required) at no additional cost to the customer.
  • 2.4 Sample Service: Testing Before Full-Scale Order

  • We offer a comprehensive sample service to help customers evaluate the cable’s performance, quality, and suitability for their specific applications before placing a full-scale order.
  • 2.4.1 Sample Request Process

  • Customers can request samples via email, phone, or our online portal. The sample request must include:
  • Cable specifications (4-Core, AAAC, XLPE Insulated, Black UV-Resistant LLDPE Sheathed, 0.6/1kV, 4X70mm²).

  • Sample length (standard sample length is 5-10 meters; longer samples up to 50 meters are available upon request).

  • Delivery address and contact information.

  • Purpose of the sample (e.g., lab testing, field trial, quality inspection).

  • We confirm the sample request within 24 hours and provide a sample quotation, including the cost of the sample (if applicable) and shipping cost. Standard samples (5-10 meters) are provided free of charge for qualified customers (e.g., utilities, large contractors, or customers with a history of orders), while the shipping cost is borne by the customer. For longer samples (over 10 meters) or custom samples, a nominal fee is charged to cover material and production costs.
  • 2.4.2 Sample Production and Shipping

  • Sample production is prioritized to ensure quick delivery. The sample is manufactured using the same production process and materials as the full-scale order, ensuring it accurately represents the final product. After production, the sample undergoes the same quality tests as the full-scale cable (electrical, mechanical, dimensional, and environmental tests) to ensure it meets standards.
  • The sample is packaged in a small cardboard box (for 5-10 meter samples) or a small wooden spool (for 10-50 meter samples), with a label including the cable specifications, sample length, production date, and batch number. The sample is shipped via express courier (e.g., DHL, FedEx) for fast delivery, typically taking 3-7 days for international shipments and 1-2 days for domestic shipments. A tracking number is provided to the customer to monitor the sample’s delivery.
  • 2.4.3 Sample Support and Feedback

  • We provide technical support to customers during sample testing, including:
  • Sharing test protocols (e.g., how to conduct insulation resistance tests or UV resistance tests) via email or video call.

  • Answering technical queries about the sample’s performance or application (e.g., current-carrying capacity in specific environments, installation guidelines).

  • Providing additional documentation (e.g., test reports, material specifications) if requested.

  • After the customer completes testing, we request sample feedback to understand their satisfaction with the sample’s performance and address any concerns. If the customer is satisfied, we assist with placing a full-scale order; if there are concerns, we work with the customer to resolve them (e.g., adjusting production parameters for the full-scale order, providing additional samples for retesting).
  • 2.5 After-Sales Support: Ensuring Long-Term Satisfaction and Performance

  • Our after-sales support is designed to provide customers with peace of mind, from installation guidance to warranty claims, ensuring the cable performs reliably throughout its service life.
  • 2.5.1 Installation Guidance

  • Proper installation is critical to the cable’s performance and safety. We provide comprehensive installation guidance to customers, including:
  • Installation Manual: A detailed manual is provided with every order, covering topics such as:

    • Pre-installation checks (inspecting the cable for damage, verifying compatibility with installation equipment).

    • Aerial installation procedures (stringing the cable between poles, tensioning the cable, securing the cable to poles using clamps).

    • Bending and routing guidelines (adhering to the minimum bending radius, avoiding sharp bends or contact with abrasive surfaces).

    • Termination procedures (connecting the cable to transformers, distribution boxes, or other equipment using compatible terminals).

  • On-Site Technical Support: For large or complex installations (e.g., rural electrification projects with long spans or urban projects with tight spaces), we offer on-site technical support. Our team of experienced engineers visits the installation site to provide hands-on guidance, train the installation team, and ensure compliance with the installation manual. On-site support is available for a nominal fee (waived for orders over 10,000 meters) and can be scheduled up to 2 weeks in advance.

  • Online Resources: We maintain an online portal with additional installation resources, including:

    • Video tutorials (demonstrating installation steps, such as cable stringing and termination).

    • FAQ section (addressing common installation issues, such as how to handle cable sagging or how to repair minor sheath damage).

    • Downloadable CAD drawings (showing cable dimensions, installation layouts, and compatibility with standard hardware).

  • 2.5.2 Warranty Coverage

  • The Low Voltage ABC Cable (4-Core, AAAC, XLPE Insulated, Black UV-Resistant LLDPE Sheathed, 0.6/1kV, 4X70mm²) comes with a 15-year warranty from the date of delivery, covering defects in materials and workmanship. The warranty applies to the following:
  • Conductor Defects: Failure of the AAAC conductor due to material defects (e.g., corrosion, tensile strength loss) or workmanship errors (e.g., poor stranding, incomplete annealing).

  • Insulation Defects: Breakdown of the XLPE insulation due to material defects (e.g., low dielectric strength, poor thermal stability) or workmanship errors (e.g., uneven insulation thickness, bubbles).

  • Sheath Defects: Degradation of the LLDPE sheath due to material defects (e.g., poor UV resistance, low impact strength) or workmanship errors (e.g., uneven sheath thickness, scratches).

  • The warranty does not cover damage caused by:
  • Improper installation (e.g., exceeding the minimum bending radius, incorrect termination).

  • Misuse or abuse (e.g., cutting the cable, exposing it to chemicals not specified in the product documentation).

  • Natural disasters (e.g., lightning strikes, floods, earthquakes) or extreme weather conditions beyond the cable’s design limits.

  • Normal wear and tear (e.g., minor sheath scratches that do not affect performance).

  • 2.5.3 Warranty Claim Process

  • To file a warranty claim, the customer must contact our after-sales team within 30 days of discovering the defect, providing:
  • Order number and delivery date.

  • Detailed description of the defect (e.g., conductor corrosion, insulation breakdown, sheath cracking).

  • Photos or videos of the defect (showing the location and extent of damage).

  • Installation and maintenance records (to demonstrate proper installation and use).

  • Our after-sales team reviews the claim within 5 working days and may request additional information (e.g., test reports from an independent lab) if needed. If the claim is approved, we offer the following resolution options:
  • Replacement: We provide a replacement cable of the same specifications, free of charge, including shipping cost. The defective cable must be returned to us (at our cost) for inspection and analysis.

  • Repair: For minor defects (e.g., small sheath scratches), we provide repair materials (e.g., sheath repair tape) and guidance on how to repair the cable, free of charge.

  • Refund: If the defect cannot be resolved by replacement or repair, we provide a full refund of the purchase price of the defective cable.

  • 2.5.4 Maintenance Support

  • To extend the cable’s service life and ensure optimal performance, we provide maintenance support to customers, including:
  • Maintenance Manual: A manual is provided with every order, outlining recommended maintenance activities, such as:

    • Regular visual inspections (checking for sheath damage, conductor sagging, or signs of corrosion) every 6 months.

    • Cleaning the cable (removing dust, dirt, or debris) every 12 months to prevent insulation degradation.

    • Testing insulation resistance every 2 years to ensure the insulation remains effective.

  • Maintenance Training: We offer training sessions for customer maintenance teams, covering topics such as how to conduct visual inspections, how to use test equipment (e.g., megohmmeters), and how to identify early signs of cable degradation. Training can be conducted on-site or via video call, depending on the customer’s preference.

  • Annual Maintenance Check: For large customers (e.g., utilities with over 50,000 meters of cable installed), we offer an annual maintenance check. Our engineers visit the customer’s site to inspect the cable installation, conduct performance tests, and provide a maintenance report with recommendations for improving the cable’s service life.

  • 2.5.5 Customer Feedback and Continuous Improvement

  • We value customer feedback as a key driver of continuous improvement. After the cable is installed and in use, we conduct customer satisfaction surveys at 3 months, 1 year, and 5 years post-delivery to gather feedback on the cable’s performance, installation experience, and after-sales support. The survey covers topics such as:
  • How well the cable meets the customer’s application needs.

  • Satisfaction with the installation guidance and technical support.

  • Experience with any warranty claims or maintenance activities.

  • Suggestions for improving the product or service.

  • Feedback from the surveys is reviewed by our product development and customer service teams. Action plans are developed to address any issues (e.g., updating the installation manual to clarify confusing steps, improving the warranty claim process to reduce processing time) and to implement suggestions (e.g., adding new features to the cable, expanding after-sales support services). This continuous improvement cycle ensures we consistently meet and exceed customer expectations.
  • Conclusion

  • The Low Voltage Aerial Bundled Cable (4-Core, AAAC Conductor, XLPE Insulated, Black UV-Resistant LLDPE Sheathed, 0.6/1kV, 4X70mm²) is a high-performance, durable, and versatile solution for low-voltage distribution networks. Its product-specific features—from the AAAC conductor’s strength and corrosion resistance to the XLPE insulation’s thermal stability and the LLDPE sheath’s UV resistance—are engineered to address the unique challenges of aerial installation, ensuring reliable power supply in rural, urban, industrial, and renewable energy applications.
  • Complementing its robust product design is a comprehensive suite of product general information, including durable packaging that protects the cable during storage and transportation, flexible transportation options that meet diverse delivery needs, a streamlined shipping process that ensures transparency and efficiency, a customer-centric sample service that enables testing before full-scale orders, and a dedicated after-sales support system that provides installation guidance, warranty coverage, and maintenance assistance.
  • Together, these product-specific and general information elements make this ABC cable a trusted choice for customers worldwide, delivering not just a high-quality product, but a complete solution that supports long-term performance, safety, and satisfaction.
Learn more about cable products
Contact Hongtai Cable Technology Co.,Ltd
Contact Us

Hongtai Cable Technology Co.,Ltd

E-mail:export@qlcables.com

            sales@qlcables.com

Tel/whatsapp:+86-18032066271

ADD:Xiaokou Industrial Development Zone, Ningjin County, Xingtai City,Hebei Province, China

Copyright © Hongtai Cable Technology Co.,Ltd  Technical Support: Ronglida Technology

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