Because of the heat dissipation problem of box-type substations, we propose the following 7 steps. Solve security and dust problems. In this guide, we'll break down everything you need to know to install a distribution box correctly and confidently. Choose the right box based on environment (indoor/outdoor), load capacity, and durability. Check for proper IP/NEMA ratings and material quality. Ensure safe placement: install in. The utility model discloses an overheat protection structure of a distribution box, which comprises a waterproof platform, a distribution box cabinet body, water guide pipes and an installation shell, wherein a temperature sensor and a micro camera are fixedly installed at the top of the interior. Without proper airflow, heat and moisture can build up inside, which can lead to overheating, corrosion, and even system failure. Enclosures provide protection against dust, moisture, temperature extremes, and element exposure that can cause severe damage sensitive electrical components. The information contained in this design guide will take the reader through a. A box-type substation is a compact complete set of power distribution devices that combine distribution transformers, high-voltage switchgear, low-voltage switchgear, energy metering equipment, and reactive power compensation devices in one or several boxes according to a certain wiring scheme.