电压为10kV及以下的变配电所若与火灾危险区域的建筑物毗连时，应符合( )。
A．电压为1～10kV配电所可通过走廊或套间与火灾危险环境的建筑物相通，通向走廊或套间的门应为难燃烧体
B．变压器室的门窗应通向非火灾危险环境
C．变电所与火灾危险环境建筑物共用的隔墙应是密实的非燃烧体。管道和沟道穿过墙和楼板处，应采用非燃烧性材料严密堵塞
D．火灾危险环境靠变压器或配电装置一侧的墙应为非燃烧体的
参考答案：A,B,C
解析： GB50058—1992《爆炸和火灾危险环境电力装置设计规范》4.3.5。
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