Copper Earth Cable 2.5-50mm² PVC Insulated G/Y Wire 450/750V for Electrical Grounding

Cross-sectional specifications: The cross-sectional specifications of this copper earth cable range from 2.5mm² to 50mm², which can meet the grounding needs in different scenarios. The 2.5mm² small-section cable has moderate conductivity and is suitable for light-load grounding systems such as small electrical equipment and household circuits. For example, small appliances in homes like refrigerators and televisions have relatively small grounding requirements, and the 2.5mm² cable is sufficient to meet them. The 50mm² large-section cable has strong conductivity and can be used in heavy-load grounding scenarios such as large industrial equipment, substations, and high-rise buildings. Large industrial equipment may generate large fault currents during operation, and the 50mm² cable can quickly conduct these currents into the ground to avoid equipment damage and casualties.

Rated voltage: The rated voltage of this cable is 450/750V, and this voltage level enables it to meet the grounding requirements of most low-voltage electrical systems. In low-voltage electrical systems, 450/750V is a common voltage standard, which makes the cable compatible with many electrical equipment and grounding devices, eliminating the need for additional voltage conversion equipment and greatly simplifying the design and installation process of the system.

Conductor diameter: Due to different cross-sectional specifications, the diameter of the conductor also varies. The conductor diameter of the 2.5mm² cable is accurately calculated to ensure good conductivity under this cross-section and meet the installation requirements of light-load grounding systems. The conductor diameter of the 50mm² cable is designed according to the characteristics of its large cross-section to ensure that there is no overheating when carrying large currents and to ensure the stable operation of the grounding system.

Insulation thickness: The thickness of the PVC Insulation layer is also one of the important specification parameters of the cable. Cables with different cross-sectional specifications have different insulation layer thicknesses. Generally speaking, the larger the cross-section, the thicker the insulation layer, so as to provide more reliable insulation protection. For example, the insulation layer thickness of the 2.5mm² cable is usually about 0.6mm, while that of the 50mm² cable may reach more than 1.2mm, so as to effectively block current leakage and prevent interference between the grounding system and other circuits.

Length specifications: The cable is available in a variety of length specifications, commonly 100 meters, 200 meters, 500 meters, etc. Users can choose the appropriate length according to the actual construction needs to avoid waste caused by insufficient or excessive cable length.

Construction field

Industrial field

Power system

Conductor Material: The copper earth cable uses high-purity copper as the conductor. High-purity copper has excellent conductivity, with high conductivity, which can quickly and efficiently conduct current into the ground. In the grounding system, this high conductivity is crucial, as it can ensure that fault currents, static electricity, etc., are conducted away in the shortest time, minimizing potential safety hazards. At the same time, high-purity copper has good corrosion resistance, and can maintain stable conductivity and structural integrity for a long time even in humid, dusty and corrosive gas environments, prolonging the service life of the cable. In addition, copper has good ductility, which is convenient for processing and installation, and can adapt to different laying environments and installation methods.

Insulation layer material: The outer layer of the cable is wrapped with a PVC insulation layer. PVC (polyvinyl chloride) is a commonly used Insulation Material with good electrical insulation performance, which can effectively block current leakage and prevent short circuits or interference between the grounding system and other circuits. The PVC insulation layer also has certain wear resistance, which can resist external friction and collision during the laying, installation and use of the cable, protecting the internal Copper Conductor from damage. At the same time, PVC materials have good aging resistance, and can maintain stable performance in different temperature and humidity environments, prolonging the service life of the cable.

Wire style: The wire body of the cable is green and yellow, which is an internationally accepted grounding mark with high recognition. The green and yellow design enables construction personnel to quickly identify the grounding cable in a complex circuit environment, avoid confusion with other wires, and reduce the risk of misoperation. In addition, the wire body of the cable has a compact structure and good Flexibility, which is convenient for laying and installation in narrow spaces and adapts to different construction scenarios.

Copper conductor processing: First, high-purity copper materials are selected as raw materials, and strictly inspected and screened to ensure that the purity and quality of the copper materials meet the requirements. Then, the copper material is drawn, and the copper material is drawn into Copper Wires of the required diameter through a wire drawing machine. During the wire drawing process, it is necessary to accurately control the speed and strength of wire drawing to ensure that the diameter of the copper wire is uniform and the surface is smooth. For cables with large cross-sections, multiple copper wires need to be stranded. During the stranding process, it is necessary to ensure that the copper wires are arranged neatly and the tension is uniform to improve the conductivity and mechanical strength of the conductor.

Insulation layer extrusion: After the processing of the copper conductor, the extrusion process of the insulation layer is carried out. The PVC material is heated to a molten state, and then the molten PVC material is evenly wrapped around the outer layer of the copper conductor through an extruder to form an insulation layer. During the extrusion process, it is necessary to strictly control the temperature, pressure and speed of the extruder to ensure that the thickness of the insulation layer is uniform, the surface is smooth, and it is closely combined with the copper conductor without defects such as bubbles and pinholes. The quality of the insulation layer directly affects the insulation performance of the cable, so this process requires strict quality inspection.

Coloring process: In order to form a green and Yellow Wire body, a coloring process is required. Usually, a two-color extrusion method is adopted. While extruding the insulation layer, green and yellow PVC materials are extruded in a certain proportion and manner to form a uniform green and yellow insulation layer. The coloring process requires bright colors and clear boundaries to ensure the recognition of the grounding mark.

Finished product inspection: After production, a comprehensive inspection of the cable is carried out. The inspection items include cross-sectional specifications, conductor resistance, insulation resistance, voltage resistance performance, appearance quality, etc. Through strict inspection, it is ensured that each batch of cables meets relevant standards and requirements, and only qualified products can leave the factory for sale.

Packaging materials: The copper earth cable is packaged in reels, and the reels are usually made of high-strength cardboard or wood. Cardboard reels have the advantages of light weight, low cost and easy recycling, and are suitable for packaging small-section and short-length cables; wooden reels have higher strength and stability, and are suitable for packaging large-section and long-length cables, which can better protect the cables from damage during transportation and storage. The surface of the reel is treated with moisture-proof and anti-corrosion to adapt to different storage environments.

Packaging methods: Different packaging methods are adopted according to the cross-sectional specifications and length of the cable. For small-section and short-length cables, they are neatly wound on the reel and then tightly wrapped with plastic film to prevent the cable from getting damp, contaminated with dust and loosening. For large-section and long-length cables, in addition to being wound on the reel, baffles are installed at both ends of the reel to fix the cable and avoid displacement and collision during transportation. At the same time, the packaging will clearly indicate the cable's model, specification, length, rated voltage, production date, manufacturer and other information to facilitate user identification and acceptance.

Packaging marks: In addition to the basic product information, the packaging will also be printed with warning signs and precautions, such as "Handle with Care", "Moisture and Sun Protection", "Keep Away from Fire", etc., to remind users to pay attention to relevant matters during transportation, storage and use, and ensure the quality and safety of the cable.

Transportation methods: Different transportation methods can be selected according to the transportation distance, transportation volume and customer needs. For short-distance transportation and small batches of goods, road transportation is usually adopted. Road transportation has the advantages of high flexibility and door-to-door delivery, and can quickly deliver the cable to the destination. For long-distance transportation and large quantities of goods, railway transportation is an ideal choice. Railway transportation has the characteristics of large transportation volume, low cost and good stability, which can ensure the safety of the cable during transportation. For export products or long-distance transportation, waterway transportation can also be chosen. Waterway transportation has low cost, but the transportation time is relatively long.

Transportation precautions: During transportation, avoid severe impact, collision and extrusion of the cable to prevent reel deformation and cable damage. The transport vehicle should drive smoothly to avoid sudden braking and sharp turns. At the same time, measures should be taken to prevent moisture, sun, high temperature and low temperature. When transporting in rainy days, the cable should be tightly covered to prevent rainwater from entering the package; when transporting in high-temperature weather, avoid the cable being exposed to the sun for a long time to prevent the PVC insulation layer from aging due to high temperature; when transporting in low-temperature weather, prevent the cable from being brittle due to freezing. In addition, the cable should avoid contact with sharp objects and corrosive substances during transportation to prevent damage to the cable's insulation layer and conductor.

Loading and unloading specifications: When loading and unloading the cable, professional loading and unloading equipment such as forklifts and cranes should be used, and manual rough loading and unloading is strictly prohibited. Keep the cable stable during loading and unloading to avoid the cable falling from a height. For large-section cables, lifting points should be set at both ends of the reel to ensure the safety of the loading and unloading process. Loading and unloading personnel should receive professional training, be familiar with loading and unloading operating procedures, and avoid cable damage and casualties caused by improper operation.

Delivery process: After the user places an order, the sales department of the manufacturer will review the order in a timely manner. After confirming that the order information (such as the model, specification, quantity, delivery address of the cable, etc.) is correct, the order information will be transmitted to the warehouse. After receiving the order, the warehouse will prepare the goods according to the order requirements. The warehouse management personnel will check and inspect the cable to ensure that the specification and quantity of the delivered cable are consistent with the order and the quality meets the requirements. Then, the cable is packaged according to the specified packaging method and a delivery label is attached. Finally, contact the logistics company, go through the consignment procedures, hand over the cable to the logistics company for transportation, and timely feedback the logistics information (such as the name of the logistics company, waybill number, etc.) to the user to facilitate the user to query the transportation status of the goods.

Delivery time: For cables in stock, the manufacturer will arrange delivery within 1-3 working days after the order is confirmed; for customized cables, the delivery time depends on the production cycle, and production and delivery are generally completed within 7-15 working days. The manufacturer will clearly inform the user of the specific delivery time when confirming the order, so that the user can prepare for receiving the goods.

Delivery tracking: The manufacturer will track the transportation process of the goods and keep abreast of the transportation status of the goods. If there are abnormal situations during transportation (such as delayed delivery, damage to goods, etc.), the manufacturer will communicate and coordinate with the logistics company in a timely manner and take corresponding solutions to ensure that the goods can be delivered to the user as soon as possible and safely.

Sample provision: To facilitate users to understand the performance and quality of the product, the manufacturer can provide samples to users. Users can apply for samples from the manufacturer by phone, email, online consultation, etc., indicating the model, specification, quantity and other information of the required samples. After receiving the sample application, the manufacturer will send out the samples within 1-3 working days. The length of the samples is generally 1-2 meters to meet the user's testing and trial needs.

Sample cost: The cost of samples is usually borne by the user, including the cost of the sample itself and the mailing cost. For large customers with clear purchase intentions, the manufacturer can appropriately reduce or exempt the sample cost or bear the mailing cost. The specific situation can be negotiated with the manufacturer. After receiving the sample, the user should inspect and test the sample in a timely manner. If the sample is found to have quality problems or does not meet the requirements, the user should communicate with the manufacturer in a timely manner.

Sample feedback: Users can feedback the test results and use experience of the samples to the manufacturer, and the manufacturer will improve and optimize according to the user's feedback. If the user is satisfied with the sample, they can make bulk purchases according to actual needs; if the user has modification opinions on the sample, the manufacturer can carry out customized production according to the user's requirements.

Quality assurance: The manufacturer provides a certain period of quality assurance for this copper earth cable, usually 1-3 years. During the quality assurance period, if the cable fails due to its own quality problems (such as conductor breakage, insulation layer aging, unqualified conductivity, etc.), the manufacturer will provide free repair or replacement services for the user. When finding quality problems, the user should provide relevant evidence (such as photos, test reports, etc.) to the manufacturer in a timely manner. The manufacturer will respond within 24 hours after receiving the feedback and arrange professional personnel to handle it.

Technical support: The manufacturer has a professional technical team to provide users with comprehensive technical support. During the selection, installation, use and maintenance of the cable, if users have any technical problems, they can consult the manufacturer. Technical personnel will provide detailed answers and guidance to users by phone, email, video, etc. For large engineering projects, the manufacturer can also send technical personnel to the site for technical guidance and installation and commissioning to ensure the correct use of the cable and the normal operation of the grounding system.

Return and exchange service: If the received cable has problems such as inconsistent model, wrong specification, insufficient quantity, etc., and the product is unused and the package is intact, the manufacturer provides a 7-day no-reason return and exchange service. Users need to submit a return and exchange application within 7 days after receiving the goods and explain the reasons. After the manufacturer's approval, the return and exchange will be arranged, and the relevant transportation costs will be borne by the manufacturer.

Regular return visits: The manufacturer will conduct regular return visits to users who have purchased the products to understand the use of the cables and the users' needs. Through return visits, the manufacturer can timely find problems in the use of the products, collect users' opinions and suggestions, and continuously improve product quality and service levels to improve user satisfaction.