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.