AL指低压照明配电箱柜 ;ALE指应急照明配电箱柜;APE指应急电力配电箱柜; AT指双电源自动切换箱柜;AP指低压电力配电箱柜。
其余电箱符号表示:
高压开关柜 AH;高压计量柜 AM;高压配电柜 AA;高压电容柜 AJ;低压负荷开关箱柜 AF;低压电容补偿柜 ACC或ACP;直流配电箱柜 AD;操作信号箱柜 AS;控制屏台箱柜 AC;继电保护箱柜 AR;计量箱柜 AW;励磁箱柜 AE;低压漏电断路器箱柜 ARC;多种电源配电箱柜 AM;刀开关箱柜 AK;电源插座箱 AX;建筑自动化控制器箱 ABC;火灾报警控制器箱 AFC;设备监控器箱 ABC;住户配线箱 ADD;信号放大器箱 ATF;分配器箱 AVP;接线端子箱 AXT
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