Overloading, loose connections, faulty breakers, old panel, improper installation are a few reasons your panel is hot. Electrical distribution boards are the heart of any power system, directing electricity to various circuits. However, as power flows, heat generation is an inevitable byproduct. When electricity moves. The formula is simple: Heat = I²R. In this guide, we'll walk through these. Proper Ventilation: Make sure there is adequate space and ventilation around the distribution box to facilitate air circulation and heat dissipation.