[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

总开关(进线主开关)单相入户选2P(同时断开火线和零线),三相入户选4P;分支回路照明用1P即可,但带漏电保护的必须用1P+N或2P以监测零线电流

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90%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/362921
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curl https://kongchang.com/api/v1/knowledge/claims/362921
MCP
get_claim(id=362921)