4c × 95mm², 70mm² XLPE SWA flame retardant armored electric power cable is a high-performance transmission line suitable for 600V low-voltage systems. It adopts a 4-core design, with core cross-sectional areas of 95mm² and 70mm², which can be flexibly matched according to load requirements to meet the power supply of different power equipment.​ The cable conductor is made of high-purity electrolytic copper, with high conductivity, which can effectively reduce transmission loss; the insulation layer is made of cross-linked polyethylene (XLPE), with a wide temperature resistance range (-40℃ to 90℃), stable insulation performance, and excellent anti-aging and chemical corrosion resistance. The outer layer integrates steel wire armoring (SWA) and flame retardant layer. The steel wire armoring provides strong mechanical protection against impact, extrusion and gnawing by rodents; the flame retardant property can delay the spread of flame, ensure the circuit to operate normally for a short time in fire environment, and improve safety.​ The cable features flexible installation methods, supporting direct burial, pipe threading or overhead laying. It is widely used in low-voltage distribution systems of high-rise buildings, subways, shopping malls and other crowded places as well as industrial plants, providing a power transmission solution with safety, efficiency and flame retardant protection for key facilities.

Low voltage copper flame retardant and fire resistant power cables (with specifications covering 100, 150, 250, 300, 350 Mcm) are power transmission products designed for high safety demand scenarios. Integrating excellent conductivity, flame retardancy, and fire resistance, they are widely used in high-rise buildings, hospitals, data centers, subways, and other fields with strict fire safety requirements. Their rated voltage is usually 0.6/1kV, suitable for AC 50Hz/60Hz low-voltage power grids, and can meet the power transmission needs of high-power equipment clusters and main distribution lines.​ In terms of specifications, this series of cables uses copper as the conductor core with a purity of ≥99.95%, and the structure stability and conductivity efficiency are improved through compact stranding technology. The cross-sectional specifications from 100 Mcm (about 50mm²) to 350 Mcm (about 178mm²) cover different current-carrying capacity requirements: 100 Mcm has a current-carrying capacity of about 190A, suitable for medium-sized motor power supply; 350 Mcm can reach 420A, which can be used as the main distribution line of large buildings. The DC resistance of the conductor at 20℃ is ≤0.383Ω/km (100 Mcm) to ≤0.108Ω/km (350 Mcm), ensuring low-loss power transmission.​ Flame retardancy and fire resistance are its core advantages. The cable passes the flame retardant test of GB/T 19666 or IEC 60332 standards, using low smoke zero halogen (LSZH) flame retardant polyolefin sheath. The flame spread speed is ≤0.5m/min, and when burning, it has low smoke emission (light transmittance ≥60%) and no toxic gas release. The fire resistance meets GB/T 19216.21 or IEC 60331 standards, and can maintain circuit integrity for more than 3 hours in 950℃-1000℃ flames, ensuring emergency power supply in case of fire.​ The insulation layer is made of cross-linked polyethylene (XLPE) with a temperature resistance of 90℃, formed by three-layer co-extrusion technology. The insulation thickness is 2.0mm-4.5mm (increasing with specifications), and the volume resistivity is ≥1×10¹⁴Ω·cm, which can withstand environmental temperature differences from -40℃ to 90℃. Some models are added with steel tape armoring on the outer layer, which increases the mechanical impact resistance by 40%, suitable for complex laying scenarios such as underground and pipe threading.​ In application scenarios, 100-150 Mcm cables are often used in branch lines of hospital wards and office building strong electric wells; 250-350 Mcm cables are suitable for data center room main trunks, subway tunnel emergency circuits, etc. Taking 350 Mcm cables as an example, they can support the linked power supply of large diesel generators above 500kW and emergency lighting systems, providing key power support for personnel evacuation and equipment rescue in fires.​ During production, each batch of cables must pass more than 20 tests such as power frequency withstand voltage (3kV/5min without breakdown), partial discharge (≤10pC), and fire resistance combustion. The packaging adopts double-layer protection of steel reels and moisture-proof films, supporting sea, land, and air combined transportation. It can provide 1-5 meters of free samples and lifelong technical consulting services to fully ensure project safety and stable operation.

12/10/8/6 AWG Thhn solid copper wire (600V flame retardant PVC) is a series of high-performance wires suitable for various electrical environments. With their designs of different gauges, excellent conductivity, flame retardant properties, and stable insulation effects, they play an important role in electrical wiring in construction, industrial, commercial and other fields.​ In terms of specification parameters, this series of wires includes four AWG gauges: 12, 10, 8, and 6, with corresponding cross-sectional areas of approximately 3.31mm², 5.26mm², 8.37mm², and 13.3mm² respectively, which can meet the needs of different current loads. Under the rated voltage of 600V, the continuous current-carrying capacity of each gauge increases in turn. The 6AWG has the strongest current-carrying capacity and is suitable for high-power equipment, while the 12AWG is suitable for low-power electrical appliances and lighting circuits. The conductor is a solid high-purity copper wire with a purity of more than 99.9%. At 20°C, the maximum resistances are 12AWG ≤ 5.21Ω/km, 10AWG ≤ 3.28Ω/km, 8AWG ≤ 2.06Ω/km, and 6AWG ≤ 1.31Ω/km, ensuring efficient current transmission. The insulation layer is made of flame-retardant PVC material, and its thickness increases with the gauge, about 0.8-1.5mm. It has good insulation performance, with an insulation resistance of more than 100MΩ·km at room temperature, and has flame-retardant properties, meeting relevant flame-retardant standards, which can effectively delay the spread of flames. The outer diameter of the wire ranges from 4.0-8.0mm depending on the gauge, which is suitable for conventional wire tubes and installation spaces, making construction convenient.​ In terms of characteristic uses, this series of wires has a wide range of applications. In building electrical, 12AWG and 10AWG are often used in lighting systems and socket circuits of residential and commercial buildings, such as power supply lines for household lamps and small household appliances; 8AWG and 6AWG are suitable for power supply of high-power electrical appliances such as air conditioners and electric water heaters, as well as main lines of branch circuits. In the industrial field, it can be used as control lines and power lines for mechanical equipment, such as electrical connections for machine tools, conveyors and other equipment. Its flame retardancy provides additional safety guarantees in industrial workshops and other environments where flammable substances may exist. In commercial places, such as shopping malls and office buildings, it is used for wiring of various electrical equipment, including lines of fire protection systems and security systems. The flame-retardant PVC insulation layer can reduce the harm caused by wire combustion in case of fire, buying time for personnel evacuation and fire fighting. In addition, in outdoor temporary power supply facilities, such as the outgoing lines of temporary distribution boxes on construction sites, this series of wires can also adapt to certain outdoor environments to ensure the safety of temporary electricity use.​ In terms of materials, the conductor is made of high-purity solid copper, which has excellent conductivity, can reduce energy loss in current transmission, and at the same time, copper has high mechanical strength and is not easy to break, ensuring the stability of the wire during laying and use. The insulation layer is made of flame-retardant PVC material, added with flame retardants and stabilizers, which can not only prevent the spread of flames, but also has the characteristics of wear resistance, acid and alkali resistance, aging resistance, etc., adapting to erosion in different environments. Flame-retardant PVC is not easy to soften at high temperatures, and can maintain the structural integrity of the insulation layer. Even in case of open fire, it burns slowly with little smoke, reducing harm to personnel and equipment.​ In terms of production process, this series of wires is made through strict procedures. First, high-purity copper rods are drawn into solid copper conductors of corresponding gauges through wire drawing process to ensure that the conductor diameter is accurate and the surface is smooth; then, the flame-retardant PVC material is evenly wrapped around the outer layer of the conductor through an extruder to form an insulation layer. During the extrusion process, the temperature and speed are strictly controlled to ensure that the insulation layer has uniform thickness and no bubbles or impurities; then, a spark test is carried out to detect the integrity of the insulation layer to ensure no pinholes and other defects; then, the flame retardant performance test is carried out to verify whether the flame retardant effect of the insulation layer meets the standards; finally, the wires are cut and wound, and each roll is usually 100 meters or 500 meters long, which is convenient for transportation and use. Appearance and performance spot checks are carried out to ensure product quality.​ In terms of general information, the packaging adopts reels or cartons according to the gauge and length, and the outer layer is wrapped with moisture-proof plastic film to prevent moisture and dust during transportation and storage. During transportation, avoid violent collision, exposure to sunlight and contact with oil stains to prevent damage to the insulation layer and affect performance. A comprehensive inspection of each batch of products is carried out before delivery to ensure that the gauge, length, insulation performance, etc. meet the requirements. The manufacturer provides sample services for customers to test and confirm compatibility. In terms of after-sales service, a 1-3 year warranty period is provided. If a fault is caused by product quality problems, the manufacturer is responsible for repair or replacement, and the professional technical team can provide installation guidance and technical support.

Thw-Ls aluminum building wire, a high-performance cable specifically designed for building electrical systems, covers specifications from 10-4 AWG, has a rated voltage of 600V, and features flame retardant and low smoke zero halogen (LSZH) properties, demonstrating significant safety advantages and practical value in modern building wiring.​ In terms of specifications, the 10-4 AWG wire diameter range provides flexible options for building electricity use. The 4 AWG wire, with a larger diameter and high current-carrying capacity, is suitable for scenarios such as building main incoming lines and power supply circuits for concentrated high-power equipment, capable of carrying continuous high-load currents from large appliances like air conditioning units and elevators. The 10 AWG wire, with a relatively smaller diameter, is ideal for branch circuits, such as lighting systems and ordinary sockets in low-power consumption areas, accurately matching the electricity needs of different regions and avoiding resource waste or overload risks. The rated voltage of 600V far exceeds the common 220V/380V power distribution standards in residential and commercial buildings, providing sufficient safety margin for voltage fluctuations and ensuring stable operation in complex power grid environments.​ Material and performance are the core advantages of this wire. The conductor is made of high-purity aluminum, which combines good conductivity and economy. The lightweight nature of aluminum reduces the installation load during wiring, especially suitable for vertical wiring in high-rise buildings and large-area horizontal laying, reducing pressure on the building structure. The insulation layer uses LSZH PVC (Low Smoke Zero Halogen Polyvinyl Chloride). Compared with traditional PVC materials, it releases very little smoke when burned and contains no toxic gases such as halogens. This can buy valuable time for personnel evacuation in case of a fire, reduce the harm of toxic gases to the human body, and minimize corrosion to equipment. The flame retardant property slows down the spread of flames, delaying the expansion of the fire and creating favorable conditions for fire rescue.​ In terms of application scenarios, Thw-Ls aluminum building wire is widely suitable for various building environments. In residential buildings, it can be used in lighting and socket circuits in living rooms, bedrooms, etc., and its low smoke zero halogen characteristics enhance household electricity safety. In commercial buildings such as shopping malls and office buildings with dense personnel and numerous equipment, the wire can ensure stable power supply while reducing fire hazards. In places with high safety requirements such as hospitals and schools, its flame retardant and low smoke zero halogen properties meet the safety standards in special environments, providing reliable electricity guarantee for patients, medical staff, teachers, and students.​ In addition, the wire also has advantages in installation and maintenance. The flexibility of the aluminum conductor facilitates operation in complex environments such as wall embedding and pipe threading, reducing construction difficulty. The LSZH PVC insulation layer has strong aging resistance and corrosion resistance, prolonging the service life of the wire and reducing later maintenance costs. Its clear identification and standardized specifications also make it easy for construction personnel to identify and distinguish different circuits, improving construction efficiency.​ Overall, Thw-Ls aluminum building wire, with its reasonable specification coverage, excellent safety performance, and wide applicability, has become a preferred building wiring solution that balances safety, economy, and practicality, providing a solid guarantee for the stable operation of modern building electrical systems and personnel safety.

The 14, 12, 10 AWG solid copper flame - retardant wires in the building wire (TW, THW, THHN/THWN) series are high - performance cables specially designed for building electrical systems. With various models, precise specifications and excellent performance, they play a key role in various building scenarios.​ In terms of specification parameters, this series of wires covers three wire diameter specifications: 14, 12, and 10 AWG, which can meet the power transmission needs of electrical equipment with different powers. The conductor diameter of the 14 AWG wire is about 1.63mm, and the current - carrying capacity is about 20A when laid in the air, which is suitable for small lighting fixtures, low - power household appliances, etc. The 12 AWG conductor has a diameter of about 2.05mm and a current - carrying capacity of about 25A, which can be used for medium - power equipment such as air conditioners and electric water heaters. The 10 AWG conductor has a diameter of about 2.59mm and a current - carrying capacity of about 30A, which can support high - power electrical appliances such as ovens and dryers. The rated voltage of the three specifications is 600V, which meets the voltage standard of the building electrical system and can operate stably in the distribution lines of residential buildings, commercial buildings, industrial plants, etc.​ The conductor is made of high - purity solid copper with a purity of more than 99.95%. It has excellent conductivity, which can reduce energy loss during current transmission and ensure efficient power transmission. The solid structure endows the wire with good mechanical strength, so it is not easy to break during wiring, thus prolonging its service life. At the same time, copper has strong oxidation resistance, and the surface of the conductor is not easy to oxidize and rust during long - term use, ensuring stable conductivity.​ The insulation layer and sheath are made of specific materials according to different models, and all have flame - retardant properties. The TW type wire adopts polyvinyl chloride (PVC) insulation, with a temperature resistance range of - 10℃ to 60℃, and is suitable for dry environments. The THW type uses moisture - resistant polyvinyl chloride insulation, with a temperature resistance of - 10℃ to 75℃, and can be used in humid environments. The THHN/THWN type uses a nylon sheath and cross - linked polyethylene (XLPE) insulation, with a temperature resistance of - 40℃ to 90℃ (THHN) or - 40℃ to 75℃ (THWN), and has oil resistance, chemical corrosion resistance and moisture resistance. These materials can not only effectively insulate the current and prevent electric leakage, but also their flame - retardant properties can delay the spread of fire in case of fire, buying time for personnel evacuation and fire rescue.​ In terms of characteristic uses, this series of wires has a wide range of applications. The 14 AWG wire is often used in the lighting circuits of residential buildings, connecting chandeliers, ceiling lamps, wall lamps, etc. in living rooms, bedrooms, studies and other areas, and is also suitable for the power supply lines of small household appliances such as TVs, set - top boxes and routers. The 12 AWG wire can be used for wiring of medium - power equipment such as microwave ovens, electric kettles in kitchens and electric water heaters in bathrooms, and can stably carry their working current. The 10 AWG wire is suitable for high - power electrical appliances such as central air conditioners, electric ovens and dryers in villas, ensuring stable power supply when these equipment are running at high load.​ In commercial buildings, such as office buildings and shopping malls, 14 AWG wires can be used for the lighting systems in public areas and the power supply of small office equipment; 12 AWG and 10 AWG wires can meet the power needs of equipment such as central air conditioners, large printers and elevators. In industrial plants, this series of wires can be used for power connection of control circuits and small motors, adapting to the complex electrical environment of the factory.​ In addition, the flame - retardant performance of this series of wires makes them more advantageous in places with high fire safety requirements, such as hospitals, schools, hotels, etc., which can reduce the risk of electrical failures caused by fire and ensure the safety of personnel and property. Their various models also enable them to adapt to different installation environments, whether it is a dry ceiling, a humid bathroom, or a kitchen with oil stains, they can play a stable role.​ In conclusion, the 14, 12, 10 AWG solid copper flame - retardant building wires (TW, THW, THHN/THWN), with their precise specification design, high - quality material selection and excellent performance, have become reliable power transmission carriers in building electrical systems, providing a solid guarantee for the safe and efficient use of electricity in various buildings.

This product is a flexible 3-core copper cable with a specification of 3X1.5mm². Its core material is oxygen-free copper (OFC), and it has flame-retardant properties. It is a high-quality power cable specially designed for power transmission scenarios, and is widely used in various fields that have strict requirements on cable flexibility, electrical conductivity, and safety protection. In terms of core structure and material, the cable adopts a 3-core design, and the conductor cross-sectional area of each core wire is 1.5mm². This multi-core structure can effectively meet the needs of multi-circuit power transmission, while avoiding signal interference or power loss that may occur in single-core cables during complex wiring. The conductor material is oxygen-free copper. Compared with ordinary electrolytic copper, oxygen-free copper removes oxygen and other impurities from the copper material through a special process during production, resulting in higher purity. This gives the cable excellent electrical conductivity - lower resistance and higher current transmission efficiency, which can effectively reduce power loss during transmission, especially suitable for long-term and stable power supply scenarios. In addition, oxygen-free copper also has stronger oxidation resistance and corrosion resistance, which can extend the service life of the cable, reduce the risk of line faults caused by conductor oxidation and corrosion, and ensure the stability and safety of power transmission. Flexibility is one of the significant advantages of this cable. The product adopts a flexible design, and the outer layer and insulation layer of the cable are made of high-elasticity and bend-resistant high-quality materials. This makes the cable have good bending performance during installation and wiring, and can easily adapt to complex wiring environments, such as narrow spaces, corners, or scenarios that require frequent movement and adjustment. Whether it is wall embedding in home decoration, internal wiring of furniture, or connection wiring of industrial equipment and instruments, this flexibility can greatly reduce construction difficulty, improve wiring efficiency, and at the same time reduce installation inconvenience or bending damage caused by excessive cable rigidity, ensuring that the wired lines are beautiful and stable. Flame-retardant property is an important guarantee of this cable in terms of safety performance. The product complies with relevant flame-retardant standards, and the insulation layer and sheath layer of the cable are made of flame-retardant materials. When encountering open fire or high-temperature environment, it can effectively inhibit the spread of flame, slow down the burning speed, and even self-extinguish quickly after the fire source is removed, avoiding the expansion of fire accidents. This feature makes it highly applicable in crowded places (such as residences, office buildings, shopping malls), flammable and explosive environments (such as factory workshops, laboratories), and places with extremely high fire safety requirements (such as hospitals, schools, subways and other public facilities). It can provide strong protection for the safety of users' lives and properties, and reduce the risk of fires caused by cable burning. In terms of application scenarios, this flexible 3-core OFC flame-retardant power cable has an extremely wide range of applications. In the civil field, it can be used for the connection of socket circuits and lighting circuits in home circuit transformation, and can also be used as a dedicated power cable for high-power household appliances such as air conditioners, refrigerators, and washing machines. Its excellent electrical conductivity and flame-retardant properties can ensure the safe and stable operation of household appliances. In the commercial field, it is suitable for the power connection of lighting systems, security equipment, and office equipment in offices, shopping malls, hotels and other places, meeting the power demand of multiple devices operating simultaneously in commercial scenarios. In the industrial field, it can be used for internal wiring or external connection of small industrial equipment and instruments. Its flexibility and corrosion resistance enable it to adapt to complex working conditions in industrial environments. In addition, in the new energy field, such as power transmission of small solar energy equipment and energy storage equipment, this cable can also play an important role with its stable performance. Overall, this flexible 3-core copper cable 3X1.5mm² - OFC flame-retardant power wire achieves a good balance in terms of conductivity efficiency, installation convenience, and safety protection through high-quality OFC conductors, flexible structure design, and reliable flame-retardant performance. It can meet the power transmission needs in different scenarios and is a practical and reliable power cable product.

This product is a 600V voltage level wire specially designed for industrial high-temperature scenarios. It has 105°C high-temperature resistance and reliable flame-retardant properties. The conductor is made of stranded pure copper material, which can stably transmit power in complex industrial high-temperature environments. It is suitable for various industrial equipment and scenarios that have strict requirements on the high-temperature resistance, flame retardancy, and electrical conductivity of wires, providing a safe and durable solution for power supply in high-temperature working conditions during industrial production.​ In terms of core performance and specifications, the rated voltage of this wire is 600V, which belongs to the category of low-voltage industrial wires and can meet the low-voltage power supply needs of most industrial equipment, such as motor control circuits, auxiliary circuits of heating equipment, and power supply for industrial instruments. The 105°C high-temperature resistance is one of its core advantages. Through professional testing, in a continuous high-temperature environment of 105°C, the performance of the wire's insulation layer and conductor can still remain stable, without softening, aging of the insulation layer or abnormal increase in conductor resistance. It can even withstand short-term instantaneous high temperatures of 120°C for a short time, which is far superior to the high-temperature upper limit of 60-70°C of ordinary wires. It is suitable for high-temperature scenarios such as metallurgical workshops, around drying equipment, and boiler auxiliary systems.​ The conductor is made of stranded pure copper material with a purity of more than 99.95%. Compared with ordinary copper alloys or tinned copper conductors, the stranded pure copper conductor has more excellent electrical conductivity - the DC resistance (at 20°C) is ≤10.1Ω/km, with high current transmission efficiency, which can effectively reduce power loss during transmission and avoid increasing the line burden in high-temperature environments due to conductor heating. The stranded structure design also endows the conductor with good flexibility. Each copper wire has a diameter as thin as 0.1-0.2mm, and the conductor is formed through a precision stranding process, so that its minimum bending radius can be as low as 3-5 times the outer diameter of the wire. This makes it easy to route in complex narrow spaces and corners inside industrial equipment, and can adapt to slight vibrations and displacements during equipment operation, avoiding installation difficulties or bending fractures caused by excessive conductor rigidity.​ Flame-retardant property is an important guarantee for the safety performance of this wire. The product meets the Class B flame-retardant requirements in GB/T 19666-2019 "General Specification for Flame-Retardant and Fire-Resistant Wires, Cables or Optical Cables", and some high-end models can reach Class A flame-retardant standards. The insulation layer of the wire is made of flame-retardant polyvinyl chloride (PVC) or cross-linked polyethylene (XLPE) material with a special formula, added with environmentally friendly flame retardants. When encountering an open flame, it can quickly form a carbonized layer to inhibit the spread of flame, slow down the burning speed, and release less smoke and low content of toxic gases when burning. It can self-extinguish within 30 seconds after the fire source is removed, which can effectively reduce the risk of fire caused by wire burning in industrial high-temperature scenarios and ensure the safety of personnel and equipment.​ The selection of insulation layer material further enhances the high-temperature resistance and durability of the wire. Regular models adopt flame-retardant PVC insulation layer, which has good oil resistance and chemical corrosion resistance, and can resist oil pollution and slight chemical solvent erosion in industrial environments; high-end models adopt cross-linked polyethylene insulation layer, which not only has better high-temperature resistance, but also has stronger aging resistance and mechanical strength, with a service life of more than 10 years. It is suitable for long-term operation industrial equipment with higher requirements on wire life, such as continuously operating production lines and large industrial furnace control systems.​ In terms of application scenarios, this wire has an extremely wide range of adaptations. In the metallurgical industry, it can be used for the control circuits of steelmaking furnaces and rolling mills and the power supply of auxiliary equipment, withstanding high temperatures and metal dust erosion in the workshop; in the automobile manufacturing field, it is suitable for the circuit wiring around the coating drying line and welding equipment, resisting high temperatures and welding sparks during the drying process; in the food processing industry, it can be used for the internal circuits of high-temperature baking equipment, meeting the requirements of food production environments for wire safety and high-temperature resistance; in the new energy field, such as the high-temperature heat dissipation areas of photovoltaic inverters and energy storage equipment, this wire can also stably transmit power and adapt to the high-temperature working environment of the equipment; in addition, in the server heat dissipation areas of large data centers and the temperature control circuits of industrial ovens, this wire can also exert the advantages of high-temperature resistance and flame retardancy to ensure the safe and stable transmission of power.​ Overall, this 600V High-Temp 105°C Flame Retardant Wire - Stranded Pure Copper for Industrial Use accurately matches the power transmission needs of industrial high-temperature scenarios through the high conductivity and flexibility of the stranded pure copper conductor, the 105°C high-temperature resistant insulation layer, and reliable flame-retardant performance. It forms significant advantages in performance, safety, and durability, making it an ideal choice for power transmission in industrial high-temperature working conditions.​

This product is a BV Cable with 1.5mm² single core solid copper wire, a core power transmission component specially designed for indoor household wiring. It adopts a single-core solid copper conductor and a flame-retardant PVC insulation layer, with the conductor cross-section accurately set to 1.5mm². It is suitable for low-load electricity consumption scenarios such as household lighting circuits and small household appliance power supply. Relying on stable conductive performance, excellent flame-retardant characteristics, and convenient installation advantages, it provides a safe, reliable, and long-term wiring solution for the indoor circuit systems of civil buildings such as residences, apartments, and villas, and is an indispensable basic electrical material in household electrical decoration.​ In terms of core specifications and structural design, the wire features a "single-core solid" core structure, with a uniform conductor cross-section of 1.5mm². This parameter is accurately calculated based on household electricity load—the 1.5mm² solid copper conductor has a stable current-carrying capacity (the long-term safe current-carrying capacity can reach 10-16A under normal temperature environment), which fully meets the electricity demand of household lighting fixtures (such as LED lights and ceiling lights, with power usually ranging from 10-100W) and small sockets (used for low-power equipment such as mobile phone chargers, desk lamps, and routers). At the same time, it avoids material waste and increased wiring difficulty caused by excessively large conductor cross-sections. Compared with multi-core flexible wires, the single-core solid structure has stronger shape stability, and is less prone to problems such as scattered conductors and knots during pipe threading wiring. It is especially suitable for concealed wiring scenarios on household walls and floors, and can accurately pass through narrow threading pipes, reducing line loss and fault risks during construction.​ The solid copper conductor is the core material advantage of this wire. Made of high-purity electrolytic copper with a purity of more than 99.95%, it has three core values: First, excellent electrical conductivity. The resistivity of high-purity copper is much lower than that of ordinary copper alloys or aluminum conductors, which can effectively reduce resistance loss during current transmission and reduce power waste caused by heat generation. Especially in long-term energized lighting circuits, it can avoid accelerated aging of the insulation layer due to conductor heat generation. Second, outstanding mechanical strength. The solid copper conductor has high hardness, stable tensile and bending resistance. It can withstand a certain degree of mechanical tension during wiring (such as dragging during pipe threading) and is not prone to conductor breakage or deformation due to slight collisions, ensuring long-term conductivity of the line. Third, good oxidation resistance. The surface of high-purity copper is easy to form a dense oxide film, which can isolate oxygen and moisture in the air, prevent internal oxidation and corrosion of the conductor, extend the service life of the wire, and adapt to the long-term use demand of household circuits for 15-20 years.​ The selection of flame-retardant PVC insulation layer is specially optimized for household electricity safety needs: First, the flame-retardant performance meets the Class B or Class C flame-retardant standards in the national standard GB/T 19666-2019 "General Rules for Flame-Retardant and Fire-Resistant Wires and Cables". When encountering an open flame, the insulation layer can self-extinguish quickly without generating a large amount of toxic smoke, effectively preventing the spread of fire along the wire and gaining valuable time for personnel escape and property protection in household fire accidents. Second, the PVC insulation layer has excellent electrical insulation performance, with an insulation resistance of more than 1000MΩ, which can effectively isolate the conductor from contact with the outside world, prevent leakage accidents (such as avoiding electric shock when the wire is damaged), and at the same time avoid signal interference between different lines (although household wiring is mainly for strong electricity, the insulation layer can reduce capacitive coupling interference between lines). In addition, the PVC insulation layer also has a certain degree of temperature resistance and corrosion resistance, and can work stably in the temperature range of -15℃ to 70℃, adapting to household environments with large temperature differences or high humidity such as kitchens and bathrooms. It can also resist slight chemical corrosion in daily cleaning (such as detergent residues) and protect the internal conductor from damage.​ In terms of adaptability to application scenarios, the core value of this wire lies in "accurately matching the diverse needs of household wiring": In lighting circuits, it can be used as the main line or branch line to connect the distribution box with lighting fixtures and switches in various rooms. The single-core solid structure is convenient for laying in the threading pipes of ceilings and walls, and its hardness is moderate, which can be easily and firmly connected to terminals, avoiding lamp flickering caused by poor contact. In small socket circuits, it is suitable for ordinary sockets in living rooms, bedrooms, studies and other areas, supplying power to low-power equipment such as mobile phone chargers, laptops, and small household appliances. The 1.5mm² conductor cross-section can meet the current demand of the equipment, and the flame-retardant insulation layer reduces the risk of fire caused by socket short circuits. In household secondary decoration or line transformation, the single-core structure of the wire is convenient for docking with the original line, and the PVC insulation layer has a variety of colors (commonly red, blue, yellow, etc., which can distinguish live wires, neutral wires, and ground wires), which is convenient for construction personnel to identify the line function and reduce wiring errors.​ From the perspective of installation and use convenience, this wire has significant advantages: The single-core solid copper conductor has moderate hardness, so copper wires are not easy to scatter when stripping, and can be quickly connected to electrical components such as terminals, switches, and sockets. The contact is tight, reducing contact resistance. The surface of the PVC insulation layer is smooth, with low friction during pipe threading, which can reduce wear with the inner wall of the threading pipe. At the same time, the insulation layer has good toughness and is not easy to crack due to bending. In addition, the outer skin of the wire is usually printed with clear marks (such as model, specification, manufacturer, production date, etc.), which is convenient for construction personnel to check product information and ensure compliance with the standard requirements of household wiring.​ In terms of overall value, this BV 1.5mm² single-core solid copper wire solves three core pain points of household wiring through the combination of "accurate specifications + high-quality materials + safety design": First, the "safety hazard" problem. The flame-retardant insulation and high-purity copper conductor reduce the risk of leakage and fire. Second, the "construction complexity" problem. The single-core solid structure simplifies the pipe threading and wiring process, improving construction efficiency. Third, the "long-term reliability" problem. The anti-oxidation and temperature-resistant material characteristics ensure the long-term stable operation of the line and reduce the later maintenance cost. For household users, this wire is not only a "current transmission carrier" but also a key basic material to ensure household electricity safety and improve living experience, providing a solid guarantee for the stable operation of the household electrical system.