天气预报 > 游戏 > 一根火线怎么接双控
一根火线怎么接双控
更新时间: 2021-03-15 13:15:40  

1、要了解开关的性能和用途,家装常用的开关,有单控、双控和多控几种,其作用主要是控制火线的通断、来控制电器的开与关。

2、开关里如果一端接火线,另一端接零线。就会引起短路,造成安全事故,所有开关里是不能接零线的,零线一般是就近接灯头。

3、双控开关间接线一般是三根线:A开关进一根火线出两根控制线,B开关接两根控制线,出一根负载线(灯线),这样就可以实现一根火线双控的效果,接好后线路就可以正常工作了。

关键词: 火线 怎么

一根火线怎么接双控相关经验

天气预报

最新推荐

页面:/news/view-1669997/ | 耗时:0.0400 s | 内存:2.11 MB | 查询:5 | 缓存读取:3 写入:1 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1669997 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1669997 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1669997 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(455317,485993,362517,366515,399167,539836,364592,365554,441757,558415,361067,451448,471811,3489453,370729,442772,440569,395671,439138,470009,470040,439834,451276,397531,2207592,778550,386515,448269,922855,451087) ORDER BY field (ArticleID,455317,485993,362517,366515,399167,539836,364592,365554,441757,558415,361067,451448,471811,3489453,370729,442772,440569,395671,439138,470009,470040,439834,451276,397531,2207592,778550,386515,448269,922855,451087)
SELECT * FROM tbl_categories where CategoryID=90016 LIMIT 0,1