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{block name="title"}开关ln分别代表什么线-丫丫百科{/block}
{block name='description'}L代表是火线，N这种代表是零线，火线和零线的区别在于对地的电压不一样，火线对地压的电压为220V，而零线是为零的，所以说当人有一个部分碰到了火线，另一个部分站在地上时，就会有触电的危险。而零线的对地的电压是为零，所以人体碰到电压也是为零，没有触电的危险。{/block}
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<div class="qa_posi"><div class="c_center">您的位置：<a href="//www.tianyaya.cn">丫丫百科</a> > <a href="//www.tianyaya.cn/tuwen/fangchan/">说房产</a> > <a href="https://www.tianyaya.cn/tuwen/5047283920320722534.html">开关ln分别代表什么线</a></div></div>
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            <h1 class="tit" style="text-align: center;font-size: 28px;margin-top: 15px"><span>开关ln分别代表什么线</span></h1>
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                <span>时间：2023-06-14</span>
                <span>来源：互联网公开数据整理或转载</span>
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                <p>L代表是火线，N这种代表是零线，火线和零线的区别在于对地的电压不一样，火线对地压的电压为220V，而零线是为零的，所以说当人有一个部分碰到了火线，另一个部分站在地上时，就会有触电的危险。而零线的对地的电压是为零，所以人体碰到电压也是为零，没有触电的危险。</p>            </div>
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