Material: The material of the outdoor distribution box should choose materials with good corrosion resistance, high temperature resistance, low temperature resistance, pressure resistance and insulation performance, such as stainless steel, aluminum alloy, glass fiber reinforced. Material: The material of the outdoor distribution box should choose materials with good corrosion resistance, high temperature resistance, low temperature resistance, pressure resistance and insulation performance, such as stainless steel, aluminum alloy, glass fiber reinforced. Weatherproof outdoor distribution boxes ensure reliable power distribution in challenging environments by protecting against moisture, dust, and temperature extremes. Key design points include high-quality materials like ABS plastic, aluminum, and stainless steel that resist corrosion and UV. Outdoor distribution boxes are essential for protecting electrical components from environmental exposure while ensuring safe and reliable power distribution. The choice of material significantly impacts durability, safety, maintenance, and performance in varying climates. What is an Outdoor Electrical. You can find distribution boxes made from various distribution box materials such as steel, aluminum, PVC, polycarbonate, high-density polyethylene, and thermoset plastics like SMC. For example, you may need flame retardant features.