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 board is hot, breakers smell, and I feel worried; this pain sits until I act and seek a fix. If a fuse becomes warm or hot, this can have several causes, such as. The electrical panel, often called a breaker box, serves as the central distribution point for all electricity entering a home.