A 6 way distribution board accommodates six devices and six circuits. Your circuit count leads directly to the box size. Future solar panels or EV chargers won't require expensive upgrades. Your power cables (included per project keywords) must handle the. 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, or DB box, is a circuit breaker enclosure. It is a vital part and central hub of any electrical system. Its primary roles are distribution, protection (using devices like. Electrical panels designed to split an incoming mains supply into multiple smaller circuits are usually designed as either single-phase or 3-phase distribution boards. Single-phase and three-phase are different methods of connecting outside mains power into a building, and each has its pros and. For residential applications, smaller boxes are typically used—often with space for around 4–12 circuits. These compact designs are perfect for homes where power needs are relatively low.