家里一定要接地线吗？不接地线会产生哪些影响？ 家里水电改造时，一定要接地线吗？不接地线有哪些隐患？
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这个我会
家里不一定要接地线，接地线主要是防止发生触电现象，因为一些大型或者小型电器，一般都有金属外壳的存在，而不接地线的话，电器工作时，金属外壳上就会有电流出现，从而会让人触电，像超过2层的建筑为了安全都应安装地线
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