Its job is to split an incoming electrical power feed into multiple secondary or subsidiary circuits. In the UK, distribution boards like this are often referred to as consumer. 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 board or distribution panel (DP) is an important part of an electricity supply system. Whether you're powering up a residential home, a commercial office, or an industrial plant. Example: Need a circuit for your 1,800W microwave? Calculator Tip: Tools like Desmos' scientific calculator make light work of conversions. Just plug in your wattage and voltage—let it handle the decimals. You're not just calculating numbers—you're designing a system that matches how you live. Within larger systems, the box often works in tandem with a distribution board, ensuring each circuit branch.
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