The 16mm²/25mm² aluminum core polyvinyl chloride (PVC) insulated power cable (model BLV) is a power transmission device specially designed for low-voltage main lines. With its excellent performance and economic practicality, it plays an important role in low-voltage power distribution systems in industrial, civil, and municipal fields. In terms of structure, the cable uses high-purity aluminum as the conductor. Aluminum has good electrical conductivity, and its abundant resources and lower cost than copper can effectively control the overall cost while ensuring power transmission efficiency. The polyvinyl chloride (PVC) insulation layer wrapped around the conductor is a key component. PVC material has excellent insulation performance, which can effectively isolate current and prevent electric leakage accidents. At the same time, it also has certain corrosion resistance, weather resistance, and mechanical strength, which can protect the internal conductor from the external environment (such as humidity, dust, slight mechanical collision, etc.) and prolong the service life of the cable. In terms of specifications, 16mm² and 25mm² refer to the cross-sectional area of the conductor, which directly determines the current-carrying capacity of the cable. The 16mm² cable is suitable for medium-load low-voltage main lines and can meet the power transmission needs of multi-household residential electricity or small industrial equipment. The 25mm² cable, with a larger cross-sectional area and higher current-carrying capacity, is suitable for scenarios with larger loads, such as the main distribution lines of large residential areas and low-voltage power main lines of small and medium-sized factories. The flexible choice of the two specifications allows the construction party to accurately match according to the actual power load, avoiding resource waste or safety hazards caused by insufficient capacity. As a low-voltage main line cable, BLV cable shows many advantages in the installation and use process. It is relatively light in weight, easy to transport and lay, and can adapt to different construction environments, whether it is overhead laying, buried laying, or pipe 穿 laying. In addition, the processing technology of the PVC insulation layer is mature, which makes the cable production efficient and stable in quality, and can meet the needs of large-scale projects. In terms of safety, the cable is controlled by strict production standards. The temperature resistance of the insulation layer can adapt to temperature changes in the general low-voltage environment, and the insulation aging will not be accelerated due to overheating within the normal working temperature range. At the same time, the surface of the aluminum conductor can effectively resist oxidation after treatment, reduce contact resistance, reduce the risk of heating, and further ensure the stability and safety of power transmission. To sum up, the 16mm²/25mm² aluminum core PVC insulated power cable (BLV) has become an ideal choice for low-voltage main line power transmission due to its economic benefits, reliable performance, and convenient installation, providing a solid guarantee for the stable operation of various low-voltage power distribution systems.