The 35mm² green-yellow stranded copper ground cable is a dedicated cable designed for safe grounding of electrical systems. It features polyvinyl chloride (PVC) insulation and a rated voltage of 600V, playing a crucial role in ensuring safety in various buildings, industrial facilities, and power engineering projects.​ In terms of structure, the cable's conductor consists of multi-stranded copper wires with a cross-sectional area of 35mm². Copper boasts excellent electrical conductivity, and the stranded design enhances the conductor's flexibility and mechanical strength, making it easier to bend during installation, adapting to complex environments, and reducing the risk of breakage caused by vibration or temperature changes. The 35mm² cross-section ensures sufficient current-carrying capacity, enabling rapid conduction of fault currents into the ground to prevent electric shocks or equipment damage.​ The insulation layer is made of PVC, which not only provides good electrical insulation to prevent short circuits between the ground cable and other conductors but also offers wear resistance, acid-alkali corrosion resistance, and certain weather resistance. This protects the internal copper conductor from external environmental influences, extending the cable's service life. Notably, the cable's outer sheath adopts the internationally recognized green-yellow color combination, a distinct 标识 that clearly indicates its grounding function, facilitating quick identification by installers and avoiding misconnections to ensure the correctness of the grounding system.​ In terms of performance, the cable has a rated voltage of 600V, suitable for grounding circuits in low-voltage electrical systems. It features an extremely low grounding resistance, allowing efficient conduction of fault currents. When electrical equipment experiences leakage or short circuits, the cable can quickly divert the current into the ground, reducing the voltage to ground on the equipment's outer shell and ensuring personal safety. Additionally, the PVC insulation layer can operate stably in an ambient temperature range of -15℃ to 70℃, adapting to climatic conditions in different regions.​ Regarding application scenarios, this cable is widely used in grounding systems of industrial plants, commercial buildings, residential communities, and municipal engineering. In industrial equipment, it can connect the metal enclosures of motors, distribution cabinets, etc., to grounding electrodes, forming protective grounding. In building electrical systems, it can serve as a connecting wire for lightning protection grounding, linking lightning rods, lightning strips, and other lightning receptors to the grounding grid to conduct lightning currents. In household electricity, it can be used with residual current devices to enhance electrical safety.​ Furthermore, the cable offers flexible installation methods, including surface mounting, concealed installation, or pipe threading. It requires no complex maintenance procedures, only regular inspections to check for insulation damage and secure connections. Its standardized green-yellow design complies with International Electrotechnical Commission (IEC) standards and electrical regulations of various countries, ensuring universality in transnational projects or import-export initiatives.​ In summary, the 35mm² green-yellow stranded copper ground cable, with its excellent conductivity, reliable insulation protection, clear functional identification, and wide applicability, has become a key component in ensuring the safe operation of electrical systems, providing solid grounding protection for personnel and equipment safety.

The 70-150mm² green/yellow PVC ground cable is a high-performance cable specially designed for earthing systems and heating systems. Its cross-sectional size ranges from 70mm² to 150mm², which can meet the high-current earthing needs in different scenarios. The green and yellow outer sheath is an internationally recognized earthing identifier, allowing for quick identification during installation, reducing the risk of misoperation. This cable complies with IEC 60227 standards, meeting international specifications in terms of safety, reliability and performance.​ In terms of specification parameters, the diversity of cross-sectional sizes enables it to have wide applicability. The 70mm² cable has a current-carrying capacity of about 200-250A, suitable for earthing of medium-sized industrial equipment and small to medium-sized heating systems; the 95mm² cable has a current-carrying capacity of 250-300A, which can meet the needs of earthing in large factory workshops and medium-sized heating systems; the 120mm² cable has a current-carrying capacity of about 300-350A, suitable for main earthing of large buildings and main circuits of large heating systems; the 150mm² cable has a current-carrying capacity of up to 350-400A, capable of handling earthing requirements of extra-large industrial facilities and high-power heating equipment. Although the rated voltage of the cable is mainly designed for earthing scenarios, it has excellent insulation performance with an insulation resistance of ≥100MΩ·km and passes the 2500V voltage withstand test (no breakdown for 1 minute), ensuring insulation stability in complex environments.​ In terms of material and structure, the conductor is made of multi-stranded stranded high-purity electrolytic copper with a purity of more than 99.95%. The multi-stranded stranded design enhances flexibility, facilitating bending and laying in narrow spaces, while improving resistance to mechanical vibration and extending service life. The insulation layer is made of PVC material, with an operating temperature range of -15℃ to 70℃, having good moisture resistance and chemical corrosion resistance, and can work stably in humid, dusty and slightly corrosive environments. It has a flame retardant rating of UL94 V-0 and can self-extinguish when exposed to open fire. The green and yellow outer sheath is not only an earthing identifier but also has UV resistance and aging resistance, suitable for outdoor and harsh environments.​ Its characteristic uses are concentrated in two major fields: earthing systems and heating systems. In earthing systems, it can be used as the main earthing trunk of buildings, protective earthing of industrial equipment, neutral point earthing of power systems, etc., to quickly conduct leakage current into the ground, ensuring the safety of personnel and equipment; in heating systems, it is used to connect the earthing circuit of electric heating equipment, such as large floor heating systems, industrial heating boilers, etc., ensuring that the heating equipment can be earthed in time when there is a leakage, and at the same time, it can withstand temperature changes in the heating environment. In addition, it also plays an important role in the comprehensive earthing network of large public facilities such as subways and airports, maintaining the potential balance of the system.​ The production process strictly follows IEC 60227 standards, including copper purification, multi-strand precision stranding, PVC insulation layer extrusion, two-color outer sheath co-extrusion, cooling and solidification, and multiple tests (such as conductor resistance, insulation thickness, bending resistance, etc.). Each batch of products undergoes comprehensive quality inspection to ensure that performance meets the standards. During installation, it needs to be connected with special earthing terminals to ensure low-impedance conduction. Fixed laying can be done by cable tray, pipe threading or direct burial, and waterproof sealing must be done for outdoor installation. With standardized identification, strong current-carrying capacity and reliable performance, this cable provides a safe and efficient solution for various earthing and heating systems.

PVC Single Core Green/Yellow Earth Ground Cable Summary​ The 25mm², 50mm², and 95mm² PVC single core green/yellow earth ground cables are critical safety components in electrical systems, designed to redirect fault currents to the ground, preventing electric shocks and equipment damage. Crafted with high-purity copper conductors, these cables ensure low resistance and efficient conduction of fault currents, a vital feature for maintaining system safety.​ The green/yellow color coding is universally recognized for earth grounding, enabling quick identification and ensuring compliance with international safety standards. The PVC insulation provides robust protection against moisture, corrosion, and mechanical impact, making the cables suitable for both indoor and outdoor installations, including industrial facilities, commercial buildings, and residential complexes.​ Each size caters to specific current demands: 25mm² for medium-scale setups like commercial wiring; 50mm² and 95mm² for heavy-duty applications such as industrial machinery and high-voltage systems. Compliant with global electrical norms, these cables integrate seamlessly with existing systems, offering reliable performance in harsh environments. Their durability, clear identification, and tailored sizing make them indispensable for ensuring electrical safety across diverse applications.

H03V2V2-F and H03V2V2h2-F ground cables are specialized electrical wires designed for grounding purposes in low-voltage systems, operating at a rated voltage of 300/300V. Available in both round and flat wire configurations, these cables comply with European standards (EN 50525) and are widely used in residential, commercial, and light industrial settings to ensure electrical safety by providing a reliable path for fault currents to earth. Core Design and Construction At the heart of these ground cables is a multi-core structure optimized for grounding functionality. The "H03V2V2-F" and "H03V2V2h2-F" designations indicate specific construction features: Conductors: Both variants feature stranded copper conductors, chosen for their high electrical conductivity (58 MS/m at 20°C) and flexibility. The "03" in the designation refers to a conductor cross-sectional area of 0.5 mm², which is suitable for handling typical fault currents in low-voltage systems. The stranding (usually 16 strands of 0.2mm diameter) enhances flexibility, allowing easy routing through tight spaces, conduits, or around corners during installation. Insulation: Each conductor is insulated with PVC (polyvinyl chloride), a material valued for its dielectric properties, resistance to moisture, and thermal stability. The "V2V2" indicates double insulation—an inner layer around each conductor and an outer layer enclosing all cores—providing extra protection against electrical leakage and mechanical damage. The insulation is rated for continuous operation at temperatures up to 70°C, with short-term tolerance for higher temperatures during fault conditions. Jacket: The outer jacket is also made of PVC, designed to be flame-retardant (meeting EN 60332-1-2 standards) and resistant to abrasion, chemicals, and UV radiation. This ensures durability in both indoor and protected outdoor environments, such as under floorboards, in wall cavities, or along building exteriors. H03V2V2h2-F Variant: The "h2" in this designation signifies that the cable includes a halogen-free additive in the PVC formulation. This reduces the emission of toxic gases and smoke in case of combustion, making it ideal for use in enclosed spaces like apartments, hospitals, or public buildings where fire safety is critical. Round vs. Flat Configurations These ground cables are available in two physical forms, each suited to specific installation needs: Round Wire: Featuring a cylindrical profile, round H03V2V2-F/H03V2V2h2-F cables are robust and easy to handle. Their symmetrical shape makes them ideal for pulling through conduits or raceways, as they minimize friction and reduce the risk of snagging. Round cables are commonly used in new construction projects where wiring is installed during the building phase, as they fit neatly into standard electrical enclosures. Flat Wire: With a slim, ribbon-like design, flat variants are designed for space-constrained applications. They can be installed under carpets, along baseboards, or between floorboards without creating unsightly bulges, making them popular for retrofitting grounding systems in existing buildings. The flat shape also simplifies parallel routing with other cables, reducing clutter in electrical panels or junction boxes. Applications and Safety Compliance H03V2V2-F and H03V2V2h2-F ground cables play a critical role in ensuring electrical safety across various settings: Residential Buildings: They are used to ground household appliances (e.g., refrigerators, washing machines), power outlets, and lighting fixtures. In the event of a short circuit or insulation failure, the ground cable diverts fault current to earth, preventing electric shock and reducing the risk of fire. Commercial Spaces: Offices, retail stores, and restaurants rely on these cables to ground HVAC systems, cash registers, and security equipment. The halogen-free H03V2V2h2-F variant is particularly favored in crowded areas, as it enhances fire safety by limiting toxic fume emission. Light Industrial Settings: Factories and workshops use these ground cables to protect machinery, tools, and control panels. Their durable PVC jacket withstands exposure to dust, oils, and minor mechanical impacts, ensuring long-term reliability in harsh environments. Both cable types comply with strict safety standards, including EN 50525 (for low-voltage cables) and CE marking requirements, ensuring they meet European safety and performance criteria. They are also tested for resistance to voltage breakdown, flame spread, and mechanical stress to guarantee consistent performance under normal and fault conditions. Installation and Compatibility Installing H03V2V2-F and H03V2V2h2-F ground cables is straightforward, thanks to their flexibility and standard dimensions. They are compatible with common electrical connectors, terminal blocks, and grounding clamps, allowing easy integration into existing electrical systems. The cables are typically supplied in reels of 50m, 100m, or 500m, catering to both small-scale repairs and large construction projects. During installation, it is crucial to ensure proper bonding to earth electrodes (e.g., ground rods, metal water pipes) to achieve low resistance (ideally ≤4Ω) for effective fault current dissipation. Electricians often use color-coded insulation (green/yellow for grounding, as per IEC 60446) to identify these cables, preventing confusion with live or neutral conductors. In summary, H03V2V2-F and H03V2V2h2-F ground cables are essential components in low-voltage electrical systems, offering reliable grounding protection in a range of environments. Their robust construction, flexible design, and compliance with safety standards make them a trusted choice for ensuring electrical safety in homes, businesses, and light industrial facilities. Whether in round or flat form, these cables provide a critical safeguard against electrical hazards, contributing to the overall integrity of electrical installations.