Unverified88% confidenceCautionTime unknown
单端供电与双端供电LED灯管接线方式完全不同,双端灯管两端各接火线零线,单端灯管一端接火零、另一端为空脚;接错会导致灯管不亮或触电风险,改造前必须核对灯管标注的供电方式
1
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88%
Confidence
Long-term
Relevance
-
First Seen
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