推荐回答(5个)
连接等电位端子箱的接地扁铁不能用普通扁钢。接地扁钢在交流电气接地标准规范中有必须使用多大的而且必须是热镀锌扁钢,第一是防腐,第二是长效。不管有没有镀锌总是要腐蚀的,所有国家标准,行业标准,地方标准都规定要使用热镀锌扁钢。而且根据埋藏的地方决定使用扁钢的尺寸。
等电位端子箱是将建筑物内的保护干线,水煤气金属管道,采暖和冷冻、冷却系统,建筑物金属构件等部位进行联结,以满足规范要求的接触电压小于50V的防电击保护电器。是现代建筑电器的一个重要组成部分,被广泛应用高层建筑。
同学 你好: 当然是不能了, 接地扁钢 在交流电气接地标准规范中有 必须使用 多大的 而且必须是热镀锌扁钢, 第一是防腐 第二是长效。 不管你有没有镀锌 总是要腐蚀的,
所有 国家标准 行业标准 地方标准 都规定 要使用 热镀锌扁钢 而且根据你埋藏的地方 决定使用 扁钢的 尺寸。 记住了 热镀锌, 尺寸 大小 接地一般都是 要使用上10年的东西 你怎么能 用个 小小的扁钢呢。
不能用普通扁钢,最好是用热镀锌扁钢。
建议每半年打开等电位端子箱检查一次扁钢是否生锈,根据情况喷涂导电漆,防腐蚀又不影响导电性能。并最好用万用表检查一下扁钢与卫生间金属连接点的电阻情况,保证10欧以下。
同学,规范上要求是25*4或40*4的热镀锌扁钢,人家规范也是说的很有道理的,即使是镀锌的扁钢,长时间在土壤里埋着或者在楼板、墙体敷设,也会容易生锈的,如果用普通的扁铁,那更不用说,肯定生锈腐蚀,而且其速度也比镀锌扁钢快很多!
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