@farhan_electrician: image details the wiring diagram of a 3-Phase Distribution Board, illustrating how a 3-phase incoming supply connects to an main circuit breaker, a Residual Current Circuit Breaker (RCCB), bus bars, and individual single-pole miniature circuit breakers (MCBs) for branch circuits.#tips #dontunderreviewmyvideo #farhanelectrician #ElectricalEngineering #WiringDiagram