Installing outdoor electrical cables requires careful planning and adherence to safety standards to ensure reliable and safe operation. First, select the appropriate type of cable for outdoor use, such as those with UV - resistant insulation and waterproof jackets. Before installation, obtain the necessary permits and ensure compliance with local electrical codes. When burying cables, dig a trench deep enough to protect the cable from damage, typically at least 18 inches in depth for non - armoured cables and 24 inches for direct - burial armoured cables. Place a layer of sand or gravel at the bottom of the trench, lay the cable gently to avoid kinks or sharp bends, and then cover it with another layer of sand or gravel followed by soil. For overhead installations, use proper support structures like utility poles or brackets, ensuring that the cable is tensioned correctly to prevent sagging or excessive stress. Connect the outdoor cable to the electrical system using approved junction boxes and connectors, making sure all connections are secure and properly insulated. Weatherproof enclosures should be used for any exposed electrical components. Weidong Technology, with its extensive experience and widespread presence across China, offers guidance and high - quality outdoor electrical cables under the "Heshengtong" brand, enabling safe and efficient installation in various outdoor applications, from garden lighting to large - scale outdoor electrical projects.