The home electrical wiring kit focused on in this abstract is an integrated wiring solution specifically designed for home renovation, old house circuit transformation, and home appliance installation. It mainly includes pure copper conductor wires of five specifications: 1.5mm², 2.5mm², 4mm², 6mm², and 10mm², all adopting a flexible PVC insulation structure. Equipped with supporting accessories such as terminal blocks and insulation tape, it can meet the full-scenario electricity needs of home lighting, sockets, and high-power home appliances (such as air conditioners and water heaters) in one stop. With the advantages of safety and reliability, easy installation, and complete specifications, it has become a preferred product for home improvement electricians and DIY users.​ In terms of cable specifications and load adaptation, the five cross-sectional area specifications accurately cover the current needs of different electricity scenarios in homes, forming a complete home wiring system: The 1.5mm² specification focuses on low-power circuits, with a long-term allowable current-carrying capacity of approximately 16A (in a 20℃ environment). It is suitable for lighting circuits (such as ceiling lamps and downlights) in living rooms and bedrooms, as well as power supply for low-voltage devices (such as routers and set-top boxes), and can stably bear the low current consumption of a single lighting system; The 2.5mm² specification is a universal type for homes, with a current-carrying capacity of approximately 25A, and is the core choice for ordinary socket circuits—whether it is the TV socket in the living room, the charging socket in the bedroom, or the socket for small kitchen appliances (such as rice cookers and microwaves), it can meet the operation of multiple low-power devices at the same time, avoiding circuit overload; The 4mm² and 6mm² specifications target medium and high-power loads, with current-carrying capacities of approximately 32A and 42A respectively, and are suitable for dedicated circuits for high-power home appliances. Among them, 4mm² is suitable for electric water heaters below 80L and 1.5-ton wall-mounted air conditioners, and 6mm² can carry 2-ton cabinet air conditioners and built-in ovens; The 10mm² specification serves as the main power distribution circuit wire for homes, with a current-carrying capacity of over 60A. It connects the incoming main distribution box to the sub-distribution boxes in each room, undertakes the total transmission task of the entire family's electricity, and ensures stable distribution of electricity from the incoming end to each branch circuit.​ In the core design of conductors and insulation layers, all wires in the kit use high-purity electrolytic copper (purity ≥99.95%) as the conductor material, which has significant advantages compared to the common copper-clad aluminum or recycled copper conductors on the market: The pure copper conductor has extremely low resistivity (≤0.017241Ω·mm²/m at 20℃), resulting in low current transmission loss, and is not easy to cause insulation aging due to heating during long-term use, which is especially suitable for the long-term power-on characteristics of home circuits; At the same time, the conductor adopts a multi-strand stranded structure (for example, 2.5mm² is composed of 19 strands of 0.4mm copper wire twisted together). Compared with single-strand solid conductors, its flexibility is greatly improved. It can be easily bent around wall corners, pipes, and other obstacles, reducing the difficulty of threading installation and avoiding the risk of conductor breakage caused by bending, which is especially suitable for the complex wiring environment of homes.​ The insulation layer is made of modified flexible PVC (polyvinyl chloride) material, with optimized performance for home use scenarios: Firstly, it has outstanding flexibility and can maintain good flexibility in a low-temperature environment of -15℃ (the bending radius is only 3 times the outer diameter of the cable). There is no need to worry about insulation cracking during installation, which is suitable for wiring operations in narrow spaces such as ceilings and baseboards; Secondly, it has excellent electrical insulation performance, with a volume resistivity of ≥1×10¹²Ω·cm and a dielectric loss tangent of ≤0.08 at 50Hz, which can effectively isolate the conductor from the external environment and avoid the risk of electric leakage, especially suitable for wiring in humid areas such as kitchens and bathrooms; Thirdly, it meets the flame retardant performance standards, with high-efficiency flame retardants (oxygen index ≥24%) added, complying with the GB/T 18380.1 flame retardant standard. It can self-extinguish when burned and has low smoke concentration, reducing the risk of home electrical fires; In addition, the surface of the PVC insulation layer is smooth, with low friction during threading, which can improve construction efficiency. At the same time, it has good chemical corrosion resistance, which can resist erosion from common cleaning agents, coatings, and other substances in homes, extending the service life of the wire.​ In terms of kit configuration and home adaptability, this wiring kit fully meets the needs of home use in its detailed design: Firstly, it is "one-stop complete". In addition to wires of different specifications, it also includes copper terminal blocks of corresponding specifications (to avoid conductor oxidation during wiring), high-temperature resistant insulation tape (suitable for insulation protection of wire joints), and wire number tubes (easy to mark different circuits). Users do not need to purchase additional auxiliary accessories, saving decoration time and cost; Secondly, the color identification is clear. Wires for different purposes adopt standardized colors—red/yellow/green for live wires, blue for neutral wires, and yellow-green for ground wires, which complies with national home wiring standards, facilitating electricians to quickly identify and wire, and reducing the risk of wrong connection; Thirdly, it is environmentally friendly and safe. The insulation layer adopts a lead-free and cadmium-free formula (complying with RoHS standards), avoiding heavy metal pollution in the home environment, which is especially suitable for families with the elderly and children; Fourthly, the length is flexible. Wires of each specification are available in two packages: 100m/roll or 50m/roll. Users can choose according to the decoration area to reduce material waste.​ In addition, the kit also provides a simple installation guide for home DIY users, including schematic diagrams of common circuit wiring (such as lighting-switch-socket linkage wiring), tool usage methods (such as correct operation of wire strippers), and safety precautions (such as power-off construction and grounding standards). Even non-professional users can refer to it to complete simple operations such as socket replacement and lamp installation. At the same time, the product production strictly follows the national standard GB/T 5023.3, and each batch undergoes multiple tests such as conductor resistance, insulation thickness, and voltage resistance to ensure stable quality and adapt to the long-term use needs of home circuits for more than 20 years.​ Overall, this home electrical wiring kit (1.5-10mm² pure copper conductor, flexible PVC insulation) provides a safe, convenient, and efficient solution for home electrical wiring through accurate adaptation of multiple specifications, high-quality material combination, one-stop configuration, and home scenario-based design. Whether it is the whole-house wiring for new house decoration, the circuit upgrade of old houses, or the dedicated circuit transformation of a single home appliance, it can rely on its reliable performance and user-friendly design to lay a solid foundation for the home electricity system, helping to improve the safety and comfort of residential electricity use.