A distribution box is a low-voltage electrical enclosure that receives incoming power and distributes it safely to multiple outgoing circuits through protective and switching devices such as MCBs, RCDs, RCBOs, fuses, isolators, busbars, neutral bars, earth bars, and surge. A distribution box is a low-voltage electrical enclosure that receives incoming power and distributes it safely to multiple outgoing circuits through protective and switching devices such as MCBs, RCDs, RCBOs, fuses, isolators, busbars, neutral bars, earth bars, and surge. A distribution box is a key part of electrical systems in buildings. It helps control and distribute electricity to different areas. Inside, you'll find parts like circuit breakers and fuses that protect the system from problems like overloads and short circuits. The. For procurement professionals, electrical contractors, and project managers, choosing the right Distribution Box (DB Box) is a critical decision that directly impacts system safety, reliability, and long-term operating costs. iv) Terminals: These are connection points where wires are securely attached, ensuring proper. What Is a Distribution Box? The distribution box can also be called a distribution board or an electrical panel.