二级配电箱的规范是什么？ 二级配电箱规范是什么？
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配电箱开关箱内必须设N线端子(排)和PE线端子(排)，N线端子(排)必须与金属电器安装板绝缘，PE线端子(排)必须与金属电器安装板做电气连接。总配电箱(柜)N线端子排和PE线端子排的接线点数应为n+1（n—配电箱的回路数）；分配电箱N线端子排和PE端子排接线点数至少两个以上；开关箱应设N线端子和PE线端子。
配电箱、开关箱的金属体、金属电器安装板以及电器正常不带电的金属底座、外壳等必须通过PE线端子板与PE线做电气连接，金属箱门与金属箱体均必须采用软铜线做电气连接。
配电箱、开关箱内电器安装板上电器元件的间距，垂直方向应不小于80mm；水平方向不小于20mm。
配电箱、开关箱的导线进出口应设在箱体的底面，进出线孔必须用橡胶护线环加以绝缘保护，进出线不得与箱体直接接触；箱体支架的横梁上应预留进出线固定孔。
箱子必须 防雨、防尘、户外型 内配总配为隔离开关 分配为一空开控制一漏电开关！每一个回路只可以接一个负载！
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