Choose a waterproof electrical box with a high IP rating, like IP66 or IP67, for reliable protection against heavy rain and humidity. Replace worn parts to maintain a tight seal. Severe weather can harm your outdoor power distribution box. Regularly inspect seals, gaskets, and cable entries to prevent moisture ingress. Key design points include high-quality materials like ABS plastic, aluminum, and stainless steel that resist corrosion and UV. Compared with the ordinary distribution box, the outdoor wind and snow distribution box requires more careful maintenance, so how do you need to work? When overhauling the distribution box, check the wiring first. It also protects them from other bad weather.