Cross-Sectional Area: This series of BV Cables has cross-sectional areas of 1.5mm², 2.5mm², 4mm², 6mm², and 10mm² respectively. The size of the cross-sectional area directly determines the current-carrying capacity of the cable, that is, the maximum current it can carry. The current-carrying capacity of a 1.5mm² cable is usually around 10-16A, which is sufficient to meet the electricity demand of general lighting fixtures. Because ordinary lighting fixtures have low power, such as incandescent lamps and energy-saving lamps, the power of a single one is mostly between a few watts and dozens of watts. The current-carrying capacity of a 2.5mm² cable is about 16-25A, which can meet the electricity demand of common household appliances such as TVs, refrigerators, and washing machines. The power of these appliances is generally between several hundred watts and more than one thousand watts. The current-carrying capacity of a 4mm² cable is 25-32A, which is suitable for high-power appliances such as air conditioners and electric water heaters. The power of such appliances is usually more than one kilowatt, and some can even reach two to three kilowatts. The current-carrying capacity of a 6mm² cable is about 32-40A, and that of a 10mm² cable is about 40-63A. They can provide strong power transmission support for the entire household electrical system, ensuring stable power supply for the incoming line or main line.

Conductor Diameter: BV cables with different cross-sectional areas have different conductor diameters. The conductor diameter of a 1.5mm² cable is about 1.38mm; that of a 2.5mm² cable is about 1.78mm; that of a 4mm² cable is about 2.25mm; that of a 6mm² cable is about 2.76mm; and that of a 10mm² cable is about 4.04mm. Precise control of the conductor diameter is an important factor in ensuring the electrical and mechanical properties of the cable. A too-small diameter will lead to increased resistance, affecting conductivity efficiency, and may even cause heating due to overload; a too-large diameter will increase material costs and is not conducive to installation.

Insulation Layer Thickness: The thickness of the insulation layer is crucial for the insulation performance of the cable. For 1.5mm² and 2.5mm² BV cables, the insulation layer thickness is generally 0.7mm; for 4mm², it is 0.8mm; for 6mm², it is 0.8mm; and for 10mm², it is 1.0mm. A sufficient thickness of the insulation layer can effectively insulate the current, prevent electric leakage accidents, and protect the conductor from damage by the external environment.

Finished Product Outer Diameter: The finished product outer diameter is the overall diameter of the cable, including the conductor and the insulation layer. The finished product outer diameter of a 1.5mm² cable is about 3.3-3.8mm; that of a 2.5mm² cable is about 3.8-4.4mm; that of a 4mm² cable is about 4.4-5.0mm; that of a 6mm² cable is about 5.0-5.6mm; and that of a 10mm² cable is about 6.0-7.0mm. The size of the finished product outer diameter affects the convenience of the cable during installation processes such as threading and wall embedding. A suitable outer diameter can ensure that the cable is smoothly laid in the pipeline or wall without congestion or difficulty in passing through.

Temperature Resistance Level: The insulation layer of BV cables is made of polyvinyl chloride (PVC) material, and its temperature resistance level is usually 70°C. This means that under normal use conditions, the cable can work stably in an environment where the ambient temperature does not exceed 70°C. Even during the peak of electricity use in summer or when electrical appliances run for a long time and generate high temperatures, it can maintain good insulation performance and will not cause aging or cracking of the insulation layer due to excessive temperature, thus ensuring electrical safety.

Voltage Level: The rated voltage of BV cables is generally 450/750V, which fully meets the needs of residential electricity. Because the voltage of household electricity is usually 220V, the rated voltage of 450/750V can provide sufficient safety margin for the cable, preventing damage to the cable due to voltage fluctuations and other reasons.

Lighting Circuits: 1.5mm² BV cables are an ideal choice for lighting circuits. In a home, lighting fixtures are needed in various areas such as the living room, bedroom, kitchen, and bathroom. These fixtures have relatively low power, and the current-carrying capacity of 1.5mm² cables is sufficient to support their normal operation. Whether it is a chandelier, ceiling lamp, wall lamp, or spotlight, they can be connected to the power supply through 1.5mm² BV cables to ensure that the fixtures can emit light stably, providing sufficient lighting for the home.

Ordinary Socket Circuits: 2.5mm² BV cables are widely used in ordinary socket circuits. Ordinary sockets in the home are distributed in various rooms and are used to connect common household appliances such as TVs, refrigerators, washing machines, electric fans, and rice cookers. These appliances have moderate power, and 2.5mm² cables can stably supply power to them, ensuring the normal operation of the appliances. For example, the power of a TV is generally between tens of watts and hundreds of watts, the power of a refrigerator is about more than 100 watts, and the power of a washing machine is about several hundred watts. 2.5mm² cables can fully meet the simultaneous use of these appliances.

Separate Circuits for High-Power Appliances: 4mm² BV cables are suitable for separate circuits of high-power appliances such as air conditioners, electric water heaters, microwave ovens, and electric ovens. These appliances have high power. For example, the power of a 1-horsepower air conditioner is about 700-1000W, the power of an electric water heater is mostly 1500-3000W, and the power of microwave ovens and electric ovens is also mostly between several hundred watts and several thousand watts. To avoid overload when these high-power appliances share a circuit with other appliances, it is necessary to wire them separately. The current-carrying capacity of 4mm² cables can bear the current demand of these appliances, ensuring their safe and stable operation.

Incoming Lines and Main Lines: 6mm² and 10mm² BV cables are mainly used for incoming lines or main lines from the household main switch to each branch. The incoming line is a key part connecting the external power grid and the internal circuit of the home, which needs to bear the electricity load of the entire home; the main line is the line from the main switch to each area or each branch switch, which also needs to have a large current-carrying capacity. 6mm² and 10mm² cables can provide strong power transmission guarantee for the entire household electrical system, ensuring that electricity is smoothly transmitted from the external power grid to various electrical equipment, maintaining the normal operation of the household electrical system.

Wiring in Special Areas: BV cables can also play an important role in some special residential areas such as kitchens and bathrooms. In the kitchen, in addition to ordinary sockets and sockets for high-power appliances, some built-in appliances such as built-in ovens and built-in disinfection cabinets are also wired with BV cables of appropriate specifications. Electrical appliances such as electric water heaters and bathroom heaters in the bathroom also need to be connected to the power supply through BV cables. Because the bathroom environment is relatively humid, the insulation layer of BV cables can effectively isolate water vapor, ensuring electrical safety.

Material

Style

Copper Rod Selection and Wire Drawing: First, high-purity electrolytic copper is selected as the raw material, and copper rods are made through smelting, casting, and other processes. The quality of copper rods directly affects the performance of the conductor, so it is necessary to strictly test the purity and mechanical properties of copper rods. Then, the copper rod is drawn through a wire drawing machine to form a solid copper wire with a corresponding diameter according to different cross-sectional area requirements. During the wire drawing process, it is necessary to control parameters such as drawing speed and tension to ensure that the diameter of the copper wire is uniform, the surface is smooth, and at the same time, the copper wire has good mechanical properties and electrical conductivity.

Insulation Layer Extrusion: The drawn solid copper wire is used as the conductor and sent to the extruder for coating the insulation layer. In the extruder, polyvinyl chloride (PVC) material is heated and melted, then evenly extruded and coated on the surface of the conductor to form the insulation layer. During the extrusion process, it is necessary to accurately control parameters such as extrusion temperature, extrusion speed, and pressure to ensure that the insulation layer has uniform thickness, a flat surface, and is tightly combined with the conductor without defects such as bubbles and pinholes. The thickness of the insulation layer must be strictly in accordance with relevant standards to ensure that its insulation performance meets the requirements.

Cooling and Solidification: The cable coated with the insulation layer needs to enter a cooling water tank for cooling and solidification. During the cooling process, the control of water temperature is very important. Too low water temperature will cause the insulation layer to cool too quickly, which is easy to produce internal stress and affect the performance of the insulation layer; too high water temperature will make the cooling time too long, affecting production efficiency. By reasonably controlling the water temperature, the insulation layer can be slowly and evenly cooled and solidified to form a stable structure.

Traction and Take-Up: The cooled and solidified cable is pulled by a tractor and transported to a take-up machine for winding. The traction speed needs to match the extrusion speed to avoid excessive stretching or slack of the cable, ensuring the straightness and length accuracy of the cable. The take-up machine neatly winds the cable on the reel to form rolled or coiled products. During the take-up process, it is necessary to control the take-up tension to make the cable wind tightly and neatly, which is convenient for storage, transportation, and use.

Quality Inspection: The produced BV cables need to undergo strict quality inspection. Inspection items include the diameter and resistance of the conductor, the thickness of the insulation layer, voltage resistance performance, mechanical performance, etc. Through professional testing equipment and instruments, each batch of cables is sampled and tested to ensure that the products meet relevant national standards and industry standards. Unqualified products must be reworked or scrapped, and unqualified products are strictly prohibited from entering the market.

Packaging Materials: The packaging materials of BV cables mainly include plastic reels, paper tubes, and plastic films. For rolled packaging cables (100 meters/roll), plastic reels are usually used as the inner core. After the cable is wound around the reel, it is tightly wrapped with a plastic film. The plastic reel has a certain strength, which can support the weight of the cable and prevent the cable from being crushed and deformed during storage and transportation; the plastic film can play a role in moisture-proof, dust-proof, and anti-pollution, protecting the insulation layer of the cable from damage. For coiled packaging cables (500 meters or 1000 meters/coil), paper tubes are mostly used as the inner core, and the outside is also wrapped with plastic film. Paper tubes have low cost, good environmental performance, and can also provide certain support and protection for the cable.

Packaging Marking: On the packaging of BV cables, relevant product information will be clearly marked, including product name (BV cable), specification model (such as 1.5mm², 2.5mm², etc.), length, rated voltage, implementation standard, production date, manufacturer name, address, contact information, etc. This marking information helps users quickly understand the basic situation of the product, facilitating users' purchase and use. At the same time, there may be some warning signs on the packaging, such as "Keep Away from Fire Source" and "Avoid Direct Sunlight", to remind users to pay attention to relevant matters during storage and use.

Packaging Specifications: The packaging specifications of BV cables are mainly divided according to length, commonly including 100 meters/roll, 500 meters/coil, and 1000 meters/coil. The 100-meter/roll packaging is suitable for local wiring in home decoration or small-scale engineering use, and users can flexibly purchase according to actual needs; the 500-meter/coil and 1000-meter/coil packaging are suitable for large-area home decoration projects or bulk purchases, which can meet the needs of a large number of wiring, and at the same time reduce procurement costs and packaging costs.

Transportation Methods: According to factors such as transportation distance and transportation volume, BV cables can be transported by road, railway, etc. For short-distance transportation or small-batch transportation, road transportation is a more commonly used method, which has the advantages of high Flexibility, fast transportation speed, and door-to-door service. The transport vehicles are usually trucks. When loading cables, the cables should be neatly stacked in the carriage to avoid mutual extrusion and collision. For long-distance transportation or large-batch transportation, railway transportation is a more economical and safe way. Railway transportation has good stability, which can reduce the bumpy and vibration of the cable during transportation.

Transportation Precautions: During transportation, it is necessary to avoid severe collision, extrusion, and stretching of BV cables. When loading cables, the loading space should be reasonably arranged to avoid overloading, preventing the cables from being crushed. At the same time, moisture-proof, sun-proof, and rain-proof measures should be taken. Transport vehicles can be covered with tarpaulins to prevent the cables from being get wet by rain or exposed to direct sunlight, so as not to affect the insulation performance of the cables. During transportation, attention should also be paid to avoiding contact between the cable and sharp objects to prevent the insulation layer from being scratched. In addition, transport personnel should be familiar with the characteristics of the product and transportation requirements, abide by traffic rules, and ensure transportation safety.

Loading and Unloading Requirements: When loading and unloading BV ilt-in ovens and built-in disinfection cabinets also mostly use BV cables of appropriate specifications for wiring. In the bathroom, equipment such as electric water heaters and bathroom heaters also need to be connected to the power supply through BV cables. Due to the relatively humid environment in the bathroom, the insulation layer of BV cables can effectively isolate water vapor, ensuring electrical safety.

Materials

Styles

Copper Rod Selection and Wire Drawing: First, high-purity electrolytic copper is selected as the raw material, and copper rods are made through smelting, casting, and other processes. The quality of the copper rod directly affects the performance of the conductor, so strict testing of the purity and mechanical properties of the copper rod is required. Then, the copper rod is drawn into a solid copper wire of the corresponding diameter through a wire drawing machine. During the wire drawing process, parameters such as drawing speed and tension need to be controlled to ensure that the copper wire has a uniform diameter, smooth surface, and good mechanical and electrical properties.

Insulation Layer Extrusion: The drawn solid copper wire is used as the conductor and sent to the extruder for coating the insulation layer. In the extruder, the polyvinyl chloride (PVC) material is heated and melted, then evenly extruded and coated on the surface of the conductor to form the insulation layer. During the extrusion process, parameters such as extrusion temperature, extrusion speed, and pressure need to be precisely controlled to ensure that the insulation layer has a uniform thickness, flat surface, and is closely combined with the conductor without defects such as bubbles and pinholes. The thickness of the insulation layer must strictly comply with relevant standards to ensure that its insulation performance meets the requirements.

Cooling and Solidification: The cable coated with the insulation layer needs to enter a cooling water tank for cooling and solidification. During the cooling process, the control of water temperature is very important. Too low water temperature will cause the insulation layer to cool too quickly, easily generating internal stress and affecting the performance of the insulation layer; too high water temperature will make the cooling time too long, affecting production efficiency. By reasonably controlling the water temperature, the insulation layer can be slowly and uniformly cooled and solidified to form a stable structure.

Traction and Take-up: The cooled and solidified cable is pulled by a tractor and transported to the take-up machine for winding. The traction speed needs to match the extrusion speed to avoid excessive stretching or slack of the cable, ensuring the straightness and length accuracy of the cable. The take-up machine winds the cable neatly on the reel to form roll or reel products. During the take-up process, the take-up tension needs to be controlled to make the cable wind tightly and neatly, facilitating storage, transportation, and use.

Quality Inspection: The produced BV cables need to undergo strict quality inspection. Inspection items include the diameter and resistance of the conductor, the thickness of the insulation layer, voltage resistance performance, mechanical performance, etc. Through professional testing equipment and instruments, each batch of cables is sampled and tested to ensure that the products meet relevant national and industry standards. Unqualified products are reworked or scrapped, and unqualified products are strictly prohibited from entering the market.

Packaging Materials: The packaging materials of BV cables mainly include plastic reels, paper tubes, and plastic films. For roll-packaged cables (100 meters per roll), plastic reels are usually used as the inner core, and after the cable is wound around, it is tightly wrapped with a plastic film. The plastic reel has a certain strength, able to support the weight of the cable, preventing the cable from being deformed during storage and transportation; the plastic film can play a role in moisture-proof, dust-proof, and anti-pollution, protecting the insulation layer of the cable from damage. For reel-packaged cables (500 meters or 1000 meters per reel), paper tubes are mostly used as the inner core, and are also wrapped with plastic film. Paper tubes have low cost and good environmental performance, and can also provide certain support and protection for the cable.

Packaging Marks: On the packaging of BV cables, relevant product information will be clearly marked, including product name (BV cable), specification model (such as 1.5mm², 2.5mm², etc.), length, rated voltage, execution standard, production date, manufacturer name, address, contact information, etc. These marking information helps users quickly understand the basic situation of the product, facilitating users' purchase and use. At the same time, there may be some warning signs on the packaging, such as "Keep Away from Fire Source" and "Avoid Direct Sunlight", reminding users to pay attention to relevant matters during storage and use.

Packaging Specifications: The packaging specifications of BV cables are mainly divided according to length, commonly including 100 meters per roll, 500 meters per reel, and 1000 meters per reel. The 100-meter per roll packaging is suitable for local wiring in home decoration or small-scale engineering use, and users can flexibly purchase according to actual needs; the 500-meter per reel and 1000-meter per reel packaging are suitable for large-scale home decoration projects or bulk purchases, which can meet the needs of a large number of wiring, and also reduce procurement costs and packaging costs.

Transportation Methods: According to factors such as transportation distance and transportation volume, BV cables can be transported by road, railway, etc. For short-distance transportation or small-batch transportation, road transportation is a commonly used method, which has the advantages of high flexibility, fast transportation speed, and door-to-door service. The transport vehicles are usually trucks. When loading cables, the cables should be neatly stacked in the carriage to avoid mutual extrusion and collision. For long-distance transportation or large-batch transportation, railway transportation is an economical and safe method. Railway transportation has good stability, which can reduce the bumpy and vibration of the cables during transportation.

Transportation Precautions: During transportation, BV cables should be prevented from severe collision, extrusion, and stretching. When loading cables, the loading space should be reasonably arranged to avoid overloading, preventing the cables from being crushed. At the same time, moisture-proof, sun-proof, and rain-proof measures should be taken. Transport vehicles can be covered with tarpaulins to prevent the cables from being get wet by rain or exposed to direct sunlight, so as not to affect the insulation performance of the cables. During transportation, attention should also be paid to avoiding contact between the cables and sharp objects to prevent the insulation layer from being scratched. In addition, transport personnel should be familiar with the characteristics and transportation requirements of the products and abide by traffic rules to ensure transportation safety.

Loading and Unloading Requirements: When loading and unloading BV cables, they should be handled with care, avoiding forceful throwing or dragging. For roll or reel cables, loading and unloading equipment such as forklifts and cranes can be used for loading and unloading, but attention should be paid to the selection of lifting positions to avoid damaging the packaging and cables. During handling, the cables should be kept stable to prevent the cables from rolling and hurting people or damaging the products.

Order Processing: After a user places an order, the sales staff will review the order in a timely manner to confirm information such as product specifications, quantity, delivery address, and delivery time. If there are special requirements, such as designated packaging methods and transportation methods, the sales staff will communicate and coordinate with relevant departments to ensure that the user's needs can be met. After the review is passed, the order will be transferred to the warehouse department for goods preparation.

Goods Preparation and Inspection: Warehouse managers will retrieve BV cables of corresponding specifications and quantities from the inventory according to the order information. During the goods preparation process, the packaging, marks, and appearance of the cables should be inspected to ensure that the product quality is intact and meets the order requirements. If any quality problems or packaging damage are found in the products, they should be replaced in a timely manner to avoid sending unqualified products to users.

Delivery Arrangement: After the goods preparation is completed, the warehouse department will arrange delivery according to the user's designated transportation method and delivery time. If it is road transportation, it will contact the cooperative logistics company to determine the transport vehicle and transportation time; if it is railway transportation, it will go through relevant consignment procedures. Before delivery, information such as order number, product specifications, quantity, transportation method, and logistics tracking number will be notified to the user to facilitate the user to track the transportation status of the goods.

Attached Documents: When delivering goods, relevant documents will be provided along with the goods, including product certificates, inspection reports, packing lists, invoices, etc. Product certificates and inspection reports are proof documents of product quality, enabling users to understand the quality status of the products; the packing list details the specifications and quantities of the goods, facilitating users to check; the invoice is a voucher for users to pay and reimburse.

Sample Application: Users can apply for samples through the manufacturer's official website, sales hotline, email, etc. When applying, it is necessary to provide information such as the specification model, quantity, contact information, and receiving address of the required samples. The manufacturer's sales staff will contact the user in a timely manner after receiving the application to confirm the sample demand and inform the user of relevant matters such as whether the sample is charged and the delivery time of the sample.

Sample Provision: For samples of conventional specifications of BV cables, the manufacturer usually provides them free of charge, but the user needs to bear the transportation cost of the samples. The number of samples is generally 1-2 rolls (100 meters per roll) to meet the user's testing and trial needs. If the user needs samples of special specifications or customized samples, the manufacturer may charge a certain sample production fee. The specific fee depends on the specification and production difficulty of the sample, and the user can negotiate with the manufacturer to determine it.

Sample Delivery: After the samples are prepared, the manufacturer will send the samples to the user by express. Before sending, the samples will be properly packaged to ensure that they are not damaged during transportation. At the same time, relevant information such as the sample specification and the manufacturer's contact information will be attached to the sample package for the user's reference.

Quality Guarantee: The manufacturer guarantees that the produced BV cables meet relevant national standards and industry standards and provides a certain period of quality guarantee. Generally, the quality guarantee period is 1-2 years. During the quality guarantee period, if the cable has quality problems (such as insulation layer damage, conductor breakage, etc.) due to manufacturing defects, the manufacturer will provide free repair or replacement services.

Technical Support: Users can consult the manufacturer's technical personnel if they encounter technical problems during the installation, use, and maintenance of BV cables. The technical personnel will provide professional technical guidance and solutions through telephone, email, or on-site visits to help users solve problems. For example, providing wiring diagrams and installation specifications for users' reference, and answering questions about cable selection and use.

Return and Exchange Service: If the received BV cables have quality problems or do not match the order information (such as wrong specifications, wrong quantities, etc.), users can apply for return or exchange within a certain period (usually 7 days) after receiving the goods. The manufacturer will verify the situation after receiving the return or exchange application. If the problem is confirmed, it will arrange for return or exchange in a timely manner, and bear the relevant transportation costs.

Complaint Handling: The manufacturer has a special complaint handling department to accept users' complaints and suggestions about products and services. After receiving a complaint, the department will investigate and deal with it in a timely manner, and feedback the handling results to the user within a specified time. The manufacturer will take users' opinions and suggestions seriously, continuously improve product quality and service level, and enhance user satisfaction.