发布时间:2025-01-20 14:52:45
凡用两孔插座的电器是不分正负极的,理论上两孔接线可随便,只要一端是火线,另一端是零线即可。
但一般接线:正面看左零右火;背面看接线柱L接火线,N接零线;有些两孔插座没有字母,背面看左火右零。
各位大师好请帮忙设计个楼梯进深4米宽2米5标高3米6还想在休息平台下面设个wc请各位大
2025-01-20 14:52:45 2025-01-20 14:52:45 2025-01-20 14:52:45 2025-01-20 14:52:45 2025-01-20 14:52:45 2025-01-20 14:52:45 2025-01-20 14:52:45美的吊扇旋转的扇头如果不接吊扇调速器的话如何接入电源线的零线和火线
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