distribution board(英式常用;美式多称 panelboard / breaker panel)指配电板/配电箱:建筑物内集中安装断路器、熔断器及相关保护与分路装置,用于把电源安全地分配到各个回路,并提供过载、短路等保护。
/ˌdɪstrɪˈbjuːʃən bɔːd/
The electrician replaced the old distribution board.
电工更换了旧的配电箱。
After the renovation, the distribution board was upgraded to include residual-current protection and clearly labeled circuits for the kitchen, lighting, and HVAC.
装修后,配电板升级为包含漏电保护,并为厨房、照明和暖通空调等回路做了清晰标识。
distribution 来自动词 distribute(分配、分发),源自拉丁语 distribuere(“分开分配”);board 原义为“木板/板”,在工程语境中常引申为“装置板、控制板”。合起来即“用于配电分配的装置板/箱”。