What is a panelboard?

A panelboard is best described as a single panel or group designed for electrical distribution. It serves a crucial function within electrical systems by housing circuit breakers or fuses that control the distribution of electrical power to various circuits within a building or structure. The panelboard allows for the safe management and control of electrical loads, and it typically includes protective devices to prevent overloads and short circuits.

In an electrical installation, the panelboard is central to distributing power effectively, allowing for circuits to be added or modified as needed. This makes it an essential component in both residential and commercial electrical systems, ensuring that power is supplied safely and efficiently throughout a building.