Factory H07V-K series 1.5mm², 2.5mm², 6mm², 10mm², 16mm² pure copper car battery cable flexible electrical wires are high-performance cables specially designed for automotive power transmission systems. With high-purity pure copper as the conductor core, combined with temperature-resistant and wear-resistant insulation and sheath materials, they have excellent conductivity, flexibility and environmental adaptability. They are widely used in car battery connection, power distribution in the engine compartment and power supply of on-board equipment, providing reliable guarantee for the stable operation of automotive electrical systems.​ I. Core Specifications and Performance Parameters​ Conductor and Conductivity Performance​ 1.5mm² cable: Composed of 19 strands of 0.32mm fine copper wires. The DC resistance of the conductor at 20℃ is ≤12.1Ω/km, and the current-carrying capacity when laid in air reaches 19A, which can meet the power supply requirements of small on-board electrical appliances.​ 2.5mm² cable: Stranded by 19 strands of 0.41mm copper wires, with a DC resistance of ≤7.41Ω/km and a current-carrying capacity of 25A, suitable for short-distance connection between car batteries and starter motors.​ 6mm² cable: 7 strands of 1.04mm copper wire stranded structure, with a DC resistance of ≤3.08Ω/km and a current-carrying capacity of 42A, which can be used for main power lines of automobiles and power supply for high-power equipment.​ 10mm² cable: 7 strands of 1.35mm copper wire stranded, with a DC resistance of ≤1.83Ω/km and a current-carrying capacity of 57A, suitable for battery pack connection of large trucks or special vehicles.​ 16mm² cable: 7 strands of 1.70mm copper wire stranded, with a DC resistance of ≤1.15Ω/km and a current-carrying capacity of 74A, which can meet the high-power power transmission needs of heavy machinery vehicles.​ All conductors are made of electrolytic pure copper with a purity of ≥99.95%. After annealing treatment, their flexibility is significantly improved, with a bending radius of ≤4 times the outer diameter. They can easily adapt to the complex wiring space inside the car, and still maintain good conductivity after multiple bendings.​ Insulation and Sheath Performance​ The insulation layer is made of temperature-resistant PVC material, and its thickness increases with the specification (0.8mm for 1.5mm² and 1.4mm for 16mm²). It has a temperature resistance range of -40℃ to 90℃, and can resist the high-temperature environment in the engine compartment and the influence of low temperature in winter.​ The sheath layer is made of flame-retardant PVC material with oil-resistant additives, with a thickness of 1.0-1.6mm and an overall outer diameter of 6.5-18mm. It has excellent oil resistance, can resist the erosion of common automotive fluids such as engine oil and transmission oil, and passes the vertical burning test (VW-1 level), improving the electrical safety of the vehicle.​ Electrical Safety Performance​ The rated voltage is 450/750V, which is far higher than the working voltage of the automotive electrical system. It can withstand a power frequency withstand voltage of 3kV for 5 minutes without breakdown.​ The insulation resistance is ≥100MΩ (at 90℃), and the short-circuit withstand temperature is 160℃ (5 seconds). It meets automotive cable standards such as ISO 6722 and SAE J1128, ensuring electrical stability under working conditions such as vehicle bumping and vibration.​ II. Characteristic Applications and Scene Adaptation​ Passenger Car Field​ 1.5mm² cable: Used for power connection of low-power equipment such as car audio, navigation systems, and interior lighting. The slender wire diameter is convenient for hidden wiring and does not occupy interior space.​ 2.5mm² cable: As the connection line between the car battery and the fuse box, cigarette lighter interface, it can flexibly adjust the wiring angle according to the battery position while meeting the current transmission demand.​ 6mm² cable: Adapted to the low-voltage battery system of new energy passenger cars, connecting the battery and the on-board charger. Its temperature resistance can cope with the temperature rise during charging and discharging.​ Commercial Vehicles and Special Vehicles​ 10mm² cable: Used for the starter motor line of medium-sized trucks and the power supply of refrigeration units of refrigerated trucks, which can withstand the continuous current generated by the vehicle's long-term operation.​ 16mm² cable: Adapted to the series line of battery packs of heavy trucks and engineering vehicles, it still maintains stable power transmission under bumpy road conditions, ensuring the smooth start of the engine.​ Special Environment Applications​ High-temperature scenes: The wire harness near the exhaust pipe in the engine compartment, with 90℃ temperature resistance, can resist the influence of radiant heat and avoid aging and cracking of the insulation layer.​ Oil-contaminated environment: The cables near the gearbox, the oil-resistant sheath can prevent insulation failure caused by oil penetration, prolonging the service life.​ Low-temperature areas: In the severe cold environment of -40℃, the cable still maintains flexibility, avoiding breakage caused by brittle cables when the vehicle starts in winter.​ III. Material Technology and Advantages​ The conductor is made of high-purity electrolytic copper, which is treated by continuous annealing process to eliminate internal stress, improve flexibility and ensure a conductivity of more than 99.9%, reducing transmission loss.​ The insulation and sheath are formed in one time by co-extrusion process, with tight interlayer bonding without bubbles, improving the peel resistance, and can resist vibration and friction during vehicle driving.​ The surface of the cable is printed with clear specification marks, certification information and meter marks, which is convenient for quick identification and cutting during installation, improving construction efficiency.​ The overall structure has passed strict tests such as 1000 bending tests (bending radius 4 times the outer diameter) and 500-hour oil resistance tests (100℃ oil immersion), ensuring reliable operation during the entire life cycle of the car.​ With the characteristics of strong adaptability and stable performance, this series of cables has become the preferred cable in the automobile manufacturing and after-sales maintenance market. It can accurately match specifications according to vehicle types and power of electrical equipment, balancing safety and economy.

BV Electrical Cable is a PVC-insulated pure copper cable designed specifically for fixed house wiring, with a rated voltage of 450/750V and cross-sectional areas ranging from 1.5mm² to 16mm². Supplied directly by the factory, it combines high cost-effectiveness with reliable performance. Its core is a single solid pure copper conductor with a purity of over 99.95%, which, after annealing, has excellent conductivity (conductivity ≥58MS/m) and mechanical strength, stably adapting to different power requirements: 1.5mm² is suitable for lighting circuits, 2.5mm² meets the power supply of ordinary sockets, 4mm² to 10mm² can carry high-power appliances such as air conditioners and electric water heaters, and 16mm² is applicable to household main lines or small commercial power distribution systems. The outer layer of the conductor is wrapped with a uniform PVC insulation layer, with thickness increasing from 0.6mm to 1.4mm according to specifications. The insulation resistance is ≥100MΩ, which can withstand a 2kV power frequency withstand voltage test, effectively isolating current and resisting daily wear. The PVC material complies with UL94 V-0 flame retardant standards, self-extinguishing within 30 seconds after the open flame is removed, and has an operating temperature range of -15℃ to 70℃, adapting to most indoor environments. The surface of the cable is printed with clear marks, including specifications, voltage level, certification marks (such as GB 5023, IEC 60227) and production information, facilitating construction identification and quality traceability. Various colors (red, blue, yellow, etc.) can distinguish phase lines and neutral lines, reducing the risk of wiring errors. As the main product for house wiring, the solid structure of BV cable makes it rigid, suitable for embedding in walls, threading through pipes or laying in trunking, and not easy to deform during long-term fixed installation. The factory direct supply model reduces intermediate links, ensuring price advantages while providing customized length services (such as 100m/roll, 200m/roll). The product has passed strict tests, including conductor resistance, insulation aging resistance, flame retardant performance, etc., ensuring stable and reliable performance in long-term residential use. It is an ideal choice for household wiring that balances safety, durability and economy.

The Pure Copper Wire, characterized by its 99.99% high-purity composition, stands as a premier choice for building wire applications, offering exceptional conductivity, durability, and cost-effectiveness. Designed to meet the rigorous demands of electrical installations in residential, commercial, and industrial buildings, this wire combines the superior performance of nearly pure copper with the practical benefits of PVC insulation, available in both stranded and solid configurations. With a focus on affordability without compromising quality, it has become a go-to solution for electricians, contractors, and builders seeking reliable wiring for power distribution, lighting, and general electrical systems. At the core of this product is its 99.99% pure copper conductor, a material celebrated for its outstanding electrical conductivity—second only to silver among common metals. This high purity ensures minimal electrical resistance, allowing for efficient power transmission with reduced energy loss, which is critical for maintaining stable voltage levels across long wire runs in large buildings. Unlike copper alloys or lower-purity alternatives, which may contain impurities like oxygen, iron, or sulfur, 99.99% pure copper minimizes the risk of corrosion, overheating, or signal degradation over time. This purity also enhances the wire’s malleability, making it easy to bend, cut, and terminate during installation, even in tight or complex routing scenarios. The wire is available in two primary configurations: stranded and solid, each tailored to specific installation needs. Solid copper wire consists of a single, continuous copper conductor, ideal for fixed, permanent installations where flexibility is less critical. Its rigid structure provides excellent stability in conduit runs, junction boxes, and wall cavities, ensuring a secure fit that resists movement over time. Stranded wire, by contrast, is composed of multiple fine copper strands twisted together, offering superior flexibility. This makes it perfect for applications requiring frequent bending or vibration, such as connections to appliances, portable equipment, or wiring in areas with limited space where rigid solid wire would be difficult to maneuver. Both configurations maintain the same high-purity copper core, ensuring consistent conductivity regardless of design. Encasing the copper conductor is a robust PVC (polyvinyl chloride) insulation layer, a material chosen for its balance of affordability, durability, and electrical insulation properties. PVC is inherently resistant to moisture, chemicals, and abrasion, protecting the copper core from environmental damage that could compromise performance. It also acts as a flame retardant, meeting industry standards to slow the spread of fire in the event of an electrical fault—an essential safety feature in building applications. The insulation is available in various colors (e.g., black, white, red, green) to facilitate easy identification of wire functions, such as phase conductors, neutral wires, or ground connections, simplifying installation and maintenance. One of the key advantages of this pure copper wire is its competitive pricing, making high-quality electrical wiring accessible to a wide range of projects, from small residential renovations to large commercial constructions. Manufacturers achieve this balance by optimizing production processes, leveraging economies of scale, and focusing on essential features without unnecessary additives. Despite its affordability, the wire adheres to strict industry standards, including those set by the International Electrotechnical Commission (IEC) and national bodies like the National Electrical Manufacturers Association (NEMA), ensuring compliance with safety and performance requirements. In terms of applications, this pure copper building wire is versatile enough to handle diverse electrical needs. In residential settings, it is used for wiring outlets, lighting fixtures, and HVAC systems, where reliable power distribution is essential for daily operation. In commercial buildings, such as offices, retail spaces, and hospitals, it supports higher loads, connecting to machinery, servers, and complex electrical systems. Industrial facilities also benefit from its durability, using it in manufacturing lines, control panels, and power distribution networks where resistance to wear and tear is critical. Installation of this wire is straightforward, compatible with standard electrical components such as terminals, connectors, and conduit systems. Its malleability allows for easy stripping of insulation, and the high-purity copper forms strong, low-resistance connections when crimped or soldered. Electricians appreciate its consistency in diameter and insulation thickness, which ensures a snug fit in fittings and reduces the risk of short circuits. In summary, the Pure Copper Wire with 99.99% purity, PVC insulation, and options for stranded or solid configurations represents a harmonious blend of performance, affordability, and versatility. Its high-purity copper core guarantees efficient conductivity and longevity, while PVC insulation provides essential protection and safety. Whether for residential, commercial, or industrial use, this wire meets the demands of modern electrical systems, offering reliable power distribution at a competitive price. As a staple in building wiring, it continues to be a trusted choice for professionals seeking quality without compromise.