I. From the Perspective of the Product Itself
(1) Specification Parameters
The specification parameters of the 1 core 10-35mm² pure copper grounding cable are precisely designed to fully meet the various technical requirements of electrical grounding systems, providing a solid parameter guarantee for grounding safety.
This series of cables includes four specifications: 10mm², 16mm², 25mm², and 35mm². The 10mm² cable has a conductor diameter of approximately 3.58mm, and the conductor DC resistance at 20°C does not exceed 1.83Ω/km, which can meet the current transmission needs of small grounding systems. The 16mm² cable has a conductor diameter of about 4.52mm, and the conductor DC resistance at 20°C does not exceed 1.15Ω/km, which can be adapted to medium-sized grounding loops. The 25mm² cable has a conductor diameter of approximately 5.64mm, and the conductor DC resistance at 20°C does not exceed 0.727Ω/km, suitable for grounding of larger electrical facilities. The 35mm² cable has a conductor diameter of about 6.68mm, and the conductor DC resistance at 20°C does not exceed 0.524Ω/km, which can carry the fault current of large grounding systems.
The rated voltage is 450/750V, which matches the voltage level of the low-voltage distribution system and can be directly connected to the grounding terminals of various low-voltage electrical equipment without voltage conversion, ensuring the compatibility between the grounding system and the main circuit.
In terms of insulation layer thickness, the
PVC Insulation layer thickness of 10mm² and 16mm² cables is not less than 0.8mm, and the PVC insulation layer thickness of 25mm² and 35mm² cables is not less than 1.0mm, ensuring good insulation performance, which can effectively isolate the conductor from the external environment and prevent electric leakage. The thickness of the PE sheath also varies according to specifications. The PE sheath thickness of 10mm² and 16mm² cables is not less than 1.2mm, and the PE sheath thickness of 25mm² and 35mm² cables is not less than 1.4mm, providing solid mechanical protection for the cables.
In addition, the bending radius of the cable is also clearly specified. The static bending radius is not less than 4 times the outer diameter of the cable, and the dynamic bending radius is not less than 6 times the outer diameter of the cable, which is convenient for wiring operations in complex installation environments. In terms of temperature adaptation range, the cable can work normally in an environment of -20°C to 70°C, and can cope with climate conditions in different regions.
(2) Characteristic Applications
The 1 core 10-35mm² pure copper grounding cable, with its various specifications and reliable performance, has distinctive applications in many fields, ensuring the safe operation of various electrical systems.
The 10mm² cable is widely used in grounding of small electrical equipment and household circuits. For example, large household appliances such as refrigerators, air conditioners, and washing machines in homes need reliable grounding of their metal casings to prevent electric shock. The 10mm² cable can meet the grounding needs of these equipment. In small distribution panels, such as household distribution boxes in residential buildings, this specification of cable is often used as the grounding main line to connect the
Grounding Wires of each circuit to form a complete household grounding network. In addition, some small office equipment, such as printers and copiers, also mostly use 10mm² cables for their grounding systems.
The 16mm² cable is suitable for grounding systems in commercial buildings. There are a large number of lighting systems and power equipment (such as elevators, indoor units of central air conditioners, etc.) in commercial buildings, with large grounding needs. The 16mm² cable can undertake the grounding tasks of these equipment. In public areas of commercial complexes, such as shopping mall exhibition halls and office buildings' offices, the grounding lines of floor sockets and lighting fixtures mostly use 16mm² cables to ensure electrical safety in crowded places. At the same time, the 16mm² cable is also commonly used for grounding of fire protection systems in commercial buildings, such as fire alarm controllers and fire pumps.
The 25mm² cable is mainly used for grounding in industrial plants. There are a large number of small and medium-sized motors, machine tools, production lines and other equipment in industrial plants. These equipment may generate electric leakage or static electricity during operation, which need to be conducted into the ground through a reliable grounding system. The 25mm² cable can meet the grounding current carrying requirements of these equipment. In the power distribution room of the plant, the grounding bus of the low-voltage distribution cabinet often uses 25mm² cables to connect the distribution cabinet with the grounding electrode to ensure the safety of the power distribution system. In addition, some industrial lifting equipment, such as bridge cranes and electric hoists, also mostly use 25mm² cables for grounding their metal structures.
The 35mm² cable is mostly used in the main grounding loop of large electrical facilities. Substations are key facilities in the power system. The grounding of high-voltage equipment such as transformers, circuit breakers, and disconnectors is crucial. The 35mm² cable can be used as the main grounding cable to connect the grounding terminals of these equipment with the grounding grid, ensuring that large currents are quickly discharged in case of faults. In the factory area of large power plants, the grounding main lines of generator sets and power distribution devices also often use 35mm² cables. In addition, the computer room grounding system of large data centers has extremely high requirements for grounding due to dense equipment and high power. The 35mm² cable can provide a stable and reliable grounding path for it.
In addition to the above main applications, the cable can also be used in grounding systems of subways, airports, hospitals and other places. For example, track grounding and catenary grounding of subway stations; grounding of weak current systems in airport terminals; grounding of large medical equipment (such as CT machines and nuclear magnetic resonance instruments) in hospitals, etc., all can see the figure of this series of cables.
(3) Material and Style
In terms of material selection and style design, the 1 core 10-35mm² pure copper grounding cable is fully combined with the functional requirements and use environment of the grounding system, focusing on safety, durability and practicality.
The conductor is made of high-purity electrolytic copper with a purity of more than 99.95%. High-purity electrolytic copper has excellent conductivity, which is crucial for grounding cables. It can minimize the grounding resistance, ensure that fault current and static electricity can be quickly and smoothly conducted into the ground, thereby ensuring the safety of electrical equipment and personnel. At the same time, electrolytic copper has good ductility and toughness, so that the cable is not easy to break during bending and installation, and can adapt to various complex wiring environments, whether buried, 穿管 or overhead, it can maintain good mechanical properties.
The insulation layer is made of green-yellow polyvinyl chloride (PVC) material. The green-yellow color is the internationally accepted grounding identification color. This color design enables the cable to be quickly identified during wiring, avoiding confusion with other
Power Cables, reducing wiring errors, and improving installation efficiency and safety. PVC
Insulation Material has good insulation performance, which can effectively isolate the conductor from the external environment and prevent electric leakage. In addition, it also has certain weather resistance and chemical corrosion resistance, which can resist the erosion of moisture, dust and general chemical substances, and adapt to different installation environments.
The outer sheath is made of polyethylene (PE) material. The PE sheath has excellent mechanical strength, outstanding wear resistance and impact resistance, which can effectively protect the internal conductor and insulation layer of the cable from external mechanical damage and prolong the service life of the cable. At the same time, PE material has good corrosion resistance, which can resist the erosion of acid and alkali substances in the soil, groundwater, etc., and is very suitable for underground burial installation. In addition, the PE sheath also has certain
Flexibility, so that the cable is not easy to become brittle and crack in low-temperature environments, adapting to a wide temperature range.
In terms of style, the cable has a single-core structure. The single-core design makes the structure of the cable simple, which is more convenient for wiring, especially in operations such as pipe threading and burying, there will be no winding problems that may occur with
Multi-Core cables. The overall appearance of the cable is flat and smooth. The green-yellow insulation layer and the black PE sheath form a sharp contrast, which is not only beautiful, but also easy to identify and inspect.
(4) Production Process
The production process of the 1 core 10-35mm² pure copper grounding cable is rigorous and meticulous. Every link from raw material processing to finished product inspection is strictly controlled to ensure that the product quality meets relevant standards and usage requirements.
In the conductor manufacturing link, first, high-purity electrolytic copper is processed. After melting the electrolytic copper, it is made into copper rods through a continuous casting process. During the casting process, parameters such as temperature and cooling rate are strictly controlled to ensure that the purity and mechanical properties of the copper rods meet the standards. Then, the copper rod is drawn through multiple wire drawing processes to form
Copper Wires of different diameters. During the wire drawing process, the size of the wire drawing die and the wire drawing speed are precisely controlled to ensure that the diameter of the copper wire is uniform, the surface is smooth and free of burrs, so as to reduce the resistance during current transmission. Since the cable has a single-core structure, there is no need for stranding, and a single copper wire is directly used as the conductor.
The extrusion of the insulation layer is a key step in the production process. A special extruder is used to heat the green-yellow PVC material to a molten state, and then evenly coat it on the surface of the
Copper Conductor to form an insulation layer. During the extrusion process, the extrusion temperature, pressure and speed are strictly controlled to ensure that the thickness of the insulation layer is uniform, closely combined with the conductor, and free of bubbles, pinholes and other defects. The thickness of the insulation layer is accurately adjusted according to different specifications of cables to meet the requirements of relevant standards for insulation performance. After extrusion, the insulation layer is quickly cooled and shaped through a cooling water tank to ensure its dimensional stability and structural integrity.
The extrusion process of the PE sheath is also strictly required. After heating the PE material to a molten state, it is evenly coated on the outside of the insulation layer through an extruder to form an outer sheath. During the extrusion process, the extrusion temperature, speed and pressure are controlled to ensure that the thickness of the sheath is uniform, the surface is smooth, and it is closely combined with the insulation layer. The thickness of the sheath is set according to different specifications of cables to ensure that it has sufficient mechanical strength and protective performance. After extrusion, cooling and shaping treatment is also carried out.
During the production process, the cable also needs to undergo a number of performance tests. In terms of conductors, parameters such as DC resistance and diameter deviation are tested to ensure that the conductivity meets the standards. In terms of insulation layer and sheath, insulation resistance test, voltage resistance test, mechanical performance test (such as tensile strength, elongation at break), aging resistance test, etc. are carried out to verify their insulation effect, mechanical strength and stability. In addition, the appearance of the cable will be inspected to ensure that the surface is smooth, the color is uniform, and there are no defects such as damage.
In order to ensure the quality stability of the product, full-process quality monitoring is implemented during the production process, and each production link has detailed records for traceability. After production, the finished cables will be sampled and tested according to certain batches. Only products that pass all testing items can leave the factory for sale, providing reliable cable products for electrical grounding systems.
II. From the Perspective of General Product Information
(1) Packaging
The packaging design of the 1 core 10-35mm² pure copper grounding cable fully considers the needs of the product in the process of transportation, storage and sales, aiming to protect the product quality and facilitate users' identification and use.
For cables of different specifications and lengths, corresponding packaging methods are adopted. 10mm² and 16mm² cables, due to their relatively small wire diameter, are usually 100 meters or 200 meters in length and are generally wound on solid plastic reels. The plastic reels are made of high-strength polyethylene material, which has good pressure resistance and impact resistance, and can protect the cables from damage during transportation and storage. Both sides of the reel are provided with baffles to prevent the cable from falling off the reel. The baffles are printed with clear product information, including product name, specification, length, rated voltage, insulation and sheath materials, manufacturer, production date, execution standard, etc., which is convenient for users to quickly understand the basic situation of the product.
25mm² and 35mm² cables, with larger wire diameters and heavier weights, are mostly 50 meters or 100 meters in length and are usually packaged with wooden reels. The wooden reels are made of high-quality hardwood, 经过干燥处理，and have high strength and stability, which can bear the weight of the cable and the pressure generated during transportation. Both ends of the reel are equipped with metal flanges to enhance the structural strength of the reel and prevent the reel from deformation. The reel is also marked with detailed product information, and is equipped with metal lifting rings for easy lifting, which is convenient for loading and unloading with forklifts, cranes and other equipment.
Both plastic reel and wooden reel packaged cables are wrapped with a layer of moisture-proof plastic film to prevent the cables from getting damp during transportation and storage, which is especially suitable for storage and transportation in humid areas. For exported products, the packaging is also printed with logos and instructions in English and other internationally used languages for the convenience of foreign users.
For small batches of retail products, such as 10-meter or 20-meter short wires, they are packaged in sealed plastic bags. The packaging bag is printed with the main information of the product and usage precautions, which is convenient for users to buy and carry.
All packaging materials meet environmental protection requirements and are recyclable, reducing environmental pollution. At the same time, the packaging design is convenient for stacking and storage, saving warehouse space and improving logistics efficiency.
(2) Transportation
The transportation process of the 1 core 10-35mm² pure copper grounding cable strictly follows relevant regulations and operating procedures to ensure that the products can be delivered to the destination safely and timely.
In terms of transportation mode selection, a variety of transportation modes are used in combination according to the transportation distance and order quantity. For domestic short-distance transportation, freight trucks are usually used. This mode has high flexibility and can quickly deliver products to customers, which is suitable for transportation of small batches and urgent orders. For long-distance transportation, especially for large quantities of products, railway freight or road express transportation is mostly used. Railway freight has the characteristics of large transportation volume, good stability and relatively low cost; road express transportation can provide door-to-door service, which is convenient for customers to receive goods.
For exported products, container shipping is adopted. Containers have good sealing and safety, which can protect cables from the erosion of humid sea climate and salt spray, and can transport a large number of products, reducing transportation costs. In the container, the cable reels are neatly arranged and fixed with fixing devices (such as ropes, wooden frames) to prevent damage due to bumps and collisions during transportation.
Before loading, carefully check the packaged cables to ensure that the packaging is intact and the reels are not damaged or deformed. For cables packaged with wooden reels, use forklifts and other equipment for loading and unloading to avoid damage caused by manual handling. In the carriage of the transport vehicle, reasonably arrange the placement of cables to avoid mutual extrusion and collision. For heavier wooden reels, place them at the bottom of the carriage and separate them with wooden pads to prevent sliding.
During transportation, strictly control the transportation environment. Avoid cables being exposed to direct sunlight to prevent PVC insulation layer and PE sheath from aging due to high temperature; when transporting in rainy days, ensure that the carriage of the transport vehicle is well sealed, or cover the cables to prevent them from getting damp. At the same time, during transportation, try to avoid sudden braking, sharp turns and other operations to reduce friction and collision between products.
During transportation, special personnel are arranged to track and monitor the goods, and real-time information on the location and transportation status of the goods is obtained through the logistics information system. In case of special circumstances (such as road blockage, bad weather), communicate with customers in a timely manner, adjust the transportation plan, and ensure that the products can be delivered as soon as possible.
After the goods arrive at the customer's designated location, the transport personnel and the customer jointly inspect the products, and check whether the specifications, quantity and packaging of the products meet the order requirements. If there are problems such as product damage or shortage, record and handle them in a timely manner to ensure the rights and interests of both parties.
(3) Delivery
The delivery process of the 1 core 10-35mm² pure copper grounding cable is standardized and orderly. Every link from order receipt to goods delivery is efficiently coordinated to ensure that customers can receive the required products in a timely manner.
After customers place orders through online platforms, emails, phone calls, etc., customer service personnel will confirm the order within 1-2 working days, verify the specifications, quantity, length, receiving address, contact information, delivery time and other information of the products required by customers to ensure that the order information is accurate. If there is any doubt about the order information, the customer service staff will contact the customer in a timely manner and proceed with the follow-up operations after confirmation.
After the order is confirmed, the warehouse manager will retrieve the corresponding products from the warehouse in a timely manner according to the order information. In the retrieval process, strictly follow the first-in-first-out principle, giving priority to distributing products with earlier production dates to ensure that the products are used within the shelf life. At the same time, re-inspect the retrieved products, check whether the specifications, quantity and packaging of the products are consistent with the order, and check whether the packaging is intact to ensure that the delivered products are of qualified quality.
Before the products are shipped out of the warehouse, the warehouse manager will carry out necessary packaging reinforcement for the products, especially for those that need long-distance transportation. Buffer materials such as foam pads and bubble films will be added to enhance the protective capacity of the packaging. At the same time, a detailed delivery note will be generated, which includes the order number, customer information, product information (specifications, quantity, length), delivery date, transportation method, estimated arrival time, etc. The delivery note will be sent along with the goods.
After the warehouse transfers the goods to the logistics department, the logistics department will arrange corresponding transport vehicles and routes according to the receiving address and transportation method requirements, and enter the delivery information into the logistics system to generate a logistics waybill number. The logistics waybill number will be fed back to the customer in a timely manner, facilitating the customer to query the transportation status of the goods through the logistics platform.
In the delivery process, a sound information feedback mechanism has been established. If there are situations such as product out of stock or logistics delay, the customer will be notified in a timely manner, and solutions will be negotiated, such as changing product specifications or adjusting the delivery time, to meet the customer's needs to the greatest extent. At the same time, the entire delivery process will be recorded for subsequent traceability and inquiry.
(4) Samples
To enable customers to better understand the quality and performance of the 1 core 10-35mm² pure copper grounding cable, the company provides sample services, allowing customers to test and evaluate before bulk purchase.
Customers can apply for samples through the company's official website, email, phone calls and other channels. When applying, they need to provide the required sample specifications, quantity, detailed receiving address, contact information and other information. The company's customer service staff will contact the customer within 1-3 working days after receiving the sample application to confirm the sample requirements and inform the customer of relevant information such as whether the sample is charged and the delivery method.
For customers with clear purchase intentions, the company usually provides free samples, and only charges the express fee. The specifications and quality of the samples are completely consistent with the officially sold products, ensuring that customers can accurately understand the performance and appearance of the products through the samples. The length of the sample is generally 1-2 meters, which is sufficient for customers to test the
Conductor Material, thickness of insulation layer and sheath, color, flexibility and other aspects of the cable.
The samples are packaged in small sealed bags or small cartons, with product specifications, models and other information printed on the packaging for easy customer identification. At the same time, product instructions and quality inspection reports are attached to the samples to facilitate customers to understand the detailed parameters and quality inspection of the products.
Samples are sent by express. The company will choose well-known and high-quality express companies such as SF Express, Yuantong Express and Zhongtong Express to ensure that the samples can be delivered to customers quickly and safely. After the sample is sent, the company will inform the customer of the express waybill number, and the customer can query the delivery progress of the sample through the official website or customer service of the express company.
After receiving the sample, if the customer has any questions about the sample or needs further technical support, the company's professional and technical personnel will promptly provide answers and help. Through the sample service, customers can have a more intuitive and in-depth understanding of the product before purchasing, so as to make a more informed purchasing decision.
(5) After-sales Service
The company attaches great importance to the after-sales service of the 1 core 10-35mm² pure copper grounding cable, and has established a complete after-sales service system to provide customers with timely and effective support and solutions.
If customers encounter problems during the use of the cable, such as quality defects, installation difficulties, etc., they can contact the company's after-sales service department through the after-sales hotline, email, online customer service and other channels. The after-sales staff will respond to the customer's request within 24 hours and record the details of the problem.
For quality problems confirmed to be caused by the product itself, the company will handle them in accordance with the after-sales policy, including return, replacement and repair. If the cable has quality problems within the warranty period (usually 12 months from the date of delivery), the company will provide free replacement or repair services; for problems caused by improper use or man-made damage, the company will provide paid maintenance services and inform the customer of the relevant costs in advance.
In addition to handling quality problems, the company's after-sales service also includes technical guidance. The professional and technical personnel of the company can provide customers with technical advice on cable installation, use and maintenance through phone calls, videos and on-site visits, helping customers correctly install and use the cable, and extending the service life of the cable.
The company also collects customer feedback on products and services through after-sales service, and continuously improves product quality and service level. Regular follow-up visits to customers are carried out to understand the use of the cable and solve potential problems in a timely manner, so as to enhance customer satisfaction and trust.
The after-sales service team of the company is composed of experienced professionals who are familiar with product performance and application scenarios, and can provide customers with professional and efficient services. The company is committed to solving customer problems through high-quality after-sales service, establishing long-term and stable cooperative relations with customers.
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