Main Switch: This is the “master control” for the entire distribution box, allowing the entire system to be turned off or on. In an emergency, flipping this switch cuts power to all circuits immediately, ensuring that maintenance and troubleshooting can be done safely. The largest component is the Main Shutoff, a single, high-amperage circuit breaker usually located at the top. Power from the main shutoff is directed. While circuit breakers and fuses control the power flow, switches and connectors make it easy to manage and maintain the box. This box keeps your home or building safe from electrical dangers. If you know. 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. A distribution box, also known as a distribution board, electrical panel, or breaker box, is an enclosure that houses electrical components responsible for distributing electricity throughout a building.
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