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{block name="title"}灯开关 l l1 l2分别代表什么-丫丫百科{/block}
{block name='description'}灯开关l l1 l2标准叫法分别为火线进线口、出线口及双控线出线口。单开单控的话，只要准备一个开关，将开关中的l1与 l2与灯泡连接，再将l与火线连接就形成单控开关了。但如果是双控开关，需要两个开关，其中一个开关的l与火线连接，另一个开关的l与灯泡连接，再将开关1的1l与开关2的l2连接，将开关2的{/block}
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            <h1 class="tit" style="text-align: center;font-size: 28px;margin-top: 15px"><span>灯开关 l l1 l2分别代表什么</span></h1>
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                <span>时间：2022-08-13</span>
                <span>来源：互联网公开数据整理或转载</span>
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                <p>灯开关l l1 l2标准叫法分别为火线进线口、出线口及双控线出线口。单开单控的话，只要准备一个开关，将开关中的l1与 l2与灯泡连接，再将l与火线连接就形成单控开关了。但如果是双控开关，需要两个开关，其中一个开关的l与火线连接，另一个开关的l与灯泡连接，再将开关1的1l与开关2的l2连接，将开关2的l2与开关1中的l2连接，形成双控开关。</p>            </div>
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