天气预报 > 其他 > 家用灯两根线怎么接
家用灯两根线怎么接
更新时间: 2020-11-02 00:00:00  

先在电源线中找到火线,从火线上引出一根线,接在开关的中间接线点上;然后从开关另两个接线点中的任意一个接线点上引出一根线,接在灯座的中间接线螺丝上,灯座的另一个接线点接零线。灯指照明的器具以及其他用途的发光、发热装置。在电灯问世以前,人们普遍使用的照明工具是煤油灯或煤气灯。这种灯因燃烧煤油或煤气,因此,有浓烈的黑烟和刺鼻的臭味,并且要经常添加燃料。

关键词: 家用 怎么

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