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来自MSN
3 个月
家里有个开关能救命,每个月必须按一次,可惜很多人不知道!
配电箱中还有几个重要的注意事项 总开关设置:入户总线要先安装一个2P的空气开关,这样可以保护整个家里的电路系统。 然后,每个独立的回路再 ...
来自MSN
29 天
一般居民住宅选用多少的漏电开关?学学,安全用电很重要
三、极数选择,单相电路有讲究 家用电路,一般都是单相的,那漏电开关就得选二极的,也就是2P的。为啥呢?因为二极开关能同时检测火线和零 ...
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