distribution board
nounUK /ˌdɪstrɪˈbjuːʃən bɔːd/
US /ˌdɪstrɪˈbjuːʃən bɔːrd/
A box on a wall that splits electricity into smaller paths so it can safely power different parts of a building.
The electrician opened the distribution board to check which switch controlled the kitchen lights.
RELATED WORDS
OTHER MEANINGS
2. A panel where electrical power is divided among several circuits, each protected by its own breaker.
Each room in the house has its own circuit connected to the distribution board.
3. A cabinet containing switches and protective devices for controlling power to equipment.
The factory's distribution board feeds power to every machine on the floor.
4. The central point in a network where connections branch out to different destinations.
In the data center, the distribution board routes power to each server rack.