What are the common circuits in a distribution box

A distribution box typically contains lighting circuits, power circuits, and control circuits, each protected by circuit breakers or fuses to ensure safe and organized power distribution.Main Types of Circuits1. Lighting Circuits These circuits supply electricity to lighting fixtures throughout a building. They are usually low-power circuits designed to handle standard lighting loads and are protected by dedicated circuit breakers to prevent overloads or short circuits . 2. Power Circuits Power circuits provide electricity to general-purpose outlets, appliances, and equipment. In residential settings, these circuits handle standard household loads, while in commercial or industrial environments, they may support higher-capacity equipment and machinery. Each power circuit is individually protected by a breaker or fuse . 3. Control Circuits Control circuits manage specialized equipment such as relays, contactors, timers, or automation systems. These circuits are often found in industrial or commercial distribution boxes and are designed to operate control devices safely without overloading the main power supply . 4. Specialized Circuits Some distribution boxes include circuits for specific purposes:Lighting Distribution Boxes: Dedicated to lighting systems, often with separate breakers for different zones .Power Distribution Boxes: Designed for heavy machinery, sockets, or high-load equipment .Smart Circuits: Integrated with energy monitoring, remote control, or automation features in advanced smart distribution boxes .Protection and SafetyEach circuit in a distribution box is protected by a circuit breaker or fuse, which automatically disconnects the circuit in case of overload, short circuit, or fault. Modern distribution boxes may also include residual-current devices (RCDs) or RCBOs to provide additional protection against electric shocks .SummaryIn essence, a distribution box organizes electricity into multiple circuits based on function and load requirements. The main types include lighting circuits, power circuits, control circuits, and specialized circuits, all safeguarded by protective devices to ensure safety and efficient power management .