[KongchangAI]
Unverified80% confidenceFactTime unknown

TN-S系统家用SPD选L-N、N-PE的4极或复合模式接线;TT系统应选N-PE间带GDT的3+1接法,接错模式会导致漏电或保护失效

1
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80%
Confidence
Long-term
Relevance
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First Seen

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