The number of circuits depends on the appliances and devices you use. Pro Insight: A well-planned distribution box feels like a silent partner—you only notice it when something's wrong. Before we dive into calculations, let's get familiar with a few essentials: 1. Your Project's Total Power Demand This isn't just adding up. Distribution boards (DB), also known as consumer units, fuse boxes or breaker panel, are essential components in electrical installations that distribute electrical power from a main supply to various circuits throughout a building. Pick a board with extra space for future needs. Whether you're powering up a residential home, a commercial office, or an industrial plant. 1 RCBO boards provide individual RCD and overcurrent protection per circuit, eliminating the nuisance tripping and loss-of-supply issues that affect split-load and dual-RCD configurations. 2 All consumer units in domestic premises must be constructed from non-combustible material (typically metal).
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