The main parts are the Miniature Circuit Breaker (MCB), Residual Current Device (RCD), busbars, and the main switch. Safe habits and checking the box often help stop electrical accidents. It collects the electrical feed from the main supply cables before distributing it to breakers and individual circuits. We also highlight how reliable manufacturers like NUOMAK support stable, compliant, and cost-effective power distribution. The power distribution box is an important part of the power system and usually consists of the following parts: Shell: The shell of the power distribution box is usually made of steel plate or plastic material, which has the characteristics of waterproof, dustproof and anti-corrosion, and protects. Distribution boxes are the nervous system of any electrical installation, silently managing the flow of power to every corner of your building. Whether it's a home, office, or factory, the DB box makes sure power. A distribution board (also known as panelboard, circuit breaker panel, breaker panel, circuit breaker, electric panel, fuse box or DB box) is a component of an electricity supply system that divides an electrical power feed into subsidiary circuits while providing a protective fuse or circuit.