分ぶん電でん盤ばんぶんでんばんMeanings1noundistribution board; panelboard; circuit breaker panel; fuseboxRefers to the electrical panel that divides and distributes power to circuits in a building. Common in residential and commercial contexts.分ぶん電でん盤ばんのブレーカーが落おちた。The breaker in the distribution board tripped.