The 1.5/2.5/4/6 mm² single core copper conductor PVC insulated electrical wire is a standardized electrical cable specifically designed for house wiring and low-voltage power distribution scenarios. With a rated voltage of 450/750V and CE certification, it is widely applicable to power transmission needs in home decoration, commercial housing construction, and small-scale commercial premises, providing stable and reliable power supply support for lighting circuits, socket systems, and small to medium-sized electrical equipment. In terms of core specifications and performance, this series of cables covers four commonly used cross-sectional areas: 1.5mm², 2.5mm², 4mm², and 6mm², which can be flexibly selected according to different electrical loads. The 1.5mm² model has a long-term allowable current-carrying capacity of approximately 18A, suitable for low-power scenarios such as bedroom lighting and small household appliances (e.g., table lamps, mobile phone chargers). The 2.5mm² model has a current-carrying capacity of about 25A, which can meet the needs of medium-power equipment such as living room sockets, electric kettles, and printers, with a maximum load of 5.5kW under 220V voltage. The 4mm² model’s current-carrying capacity is increased to 32A, applicable to high-power kitchen appliances (e.g., microwaves, rice cookers) and bathroom water heaters. The 6mm² model has a current-carrying capacity of up to 40A, which can undertake heavy-load circuits such as the main incoming line of the entire house and wall-mounted air conditioners, effectively avoiding conductor heating and insulation aging caused by overload. All conductors are made of high-purity electrolytic copper with a purity of ≥99.95%, featuring a single-core solid structure (with diameters of approximately 1.38mm, 1.78mm, 2.25mm, and 2.76mm respectively). They have extremely low resistivity (≤0.017241Ω·mm²/m at 20℃), resulting in low current transmission loss and no easy performance degradation due to heating during long-term use. The insulation layer is made of modified polyvinyl chloride (PVC) material, optimized to adapt to the complex environment of residences. Its flame-retardant grade complies with the GB/T 18380.1-2008 Class C standard, with an oxygen index of ≥24%. It can self-extinguish within 60 seconds in the vertical combustion test without molten drips, effectively preventing flames from spreading along the cable and reducing the risk of electrical fires in areas such as kitchens and bedrooms. At the same time, it has excellent electrical insulation performance, with a volume resistivity of ≥1×10¹²Ω·cm and a dielectric loss tangent of ≤0.08 at 50Hz. Even in humid environments like bathrooms and kitchens, it can isolate the conductor from the outside world to avoid electric leakage accidents. The insulation layer has a long-term operating temperature of 70℃ and can withstand high temperatures of 160℃ for 5 seconds during short-term overload, which can cope with local high temperatures caused by equipment heat dissipation or seasonal temperature differences and prevent insulation cracking and hardening. Its smooth surface can also reduce friction resistance during piping, improving construction efficiency, and its service life can reach more than 20 years under normal use. In terms of safety compliance and practicality, the rated voltage of 450/750V accurately matches the electricity demand of residences: "450V" refers to the insulation voltage between the conductor and the ground/neutral wire, and "750V" is the insulation voltage between two conductors. It can not only stably carry 220V single-phase power supply but also reserve a 20%-30% safety margin to cope with voltage fluctuations when multiple devices are running simultaneously in summer, avoiding insulation breakdown. The CE certification ensures that it complies with the EU Low Voltage Directive (2014/35/EU), and indicators such as electrical safety, mechanical performance, and electromagnetic compatibility all meet the European market access standards, allowing it to be directly used in building projects exported to Europe. The cable adopts international universal color identification (red/yellow/green for live wires, blue for neutral wires, and yellow-green for ground wires), enabling electricians to quickly identify the purpose of the cable and reduce the risk of equipment burnout and electric shock caused by wrong wiring. The packaging is mostly 100m/roll, which is convenient for cutting and use during small-area wiring in home decoration and can also meet the local construction needs of small-scale building projects, avoiding material waste caused by excessively large packaging specifications. Before leaving the factory, each batch of cables undergoes multiple tests, including conductor resistance test, insulation thickness test (standard thickness 0.8-1.2mm, adjusted according to cross-sectional area, tolerance ±0.1mm), and voltage resistance test (1.5kV/1min no breakdown), ensuring stable and consistent performance and laying a solid foundation for safe electricity use in residences and buildings.