Unverified92% confidenceDecision RuleTime unknown
总闸(进线开关)必须用2P(同时切断火线和零线),分支回路可用1P(仅断火线);卫生间、厨房等潮湿回路建议用带漏电保护的2P(DPN或1P+N)
1
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92%
Confidence
Long-term
Relevance
-
First Seen
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Unverified1P空开只断火线,2P同时断火线和零线。潮湿环境(卫生间、厨房、热水器)和大功率电器回路建议用2P,维修时可彻底断电更安全87% similarUnverified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81% similarUnverified总开关严禁装漏电保护(DZ47系列纯空开),应装普通2P空开做总控;漏电保护器(带漏电功能的1P+N或2P)应装在插座回路和潮湿区分支上,避免一处漏电导致全屋断电79% similarUnverified家庭配电箱漏保配置标准方案:总开关用2P/4P不带漏保或300mA延时型主断路器→照明回路16A空开(可不带漏保)→插座/厨卫回路用DPN 1P+N 16-25A 30mA漏保→空调等大功率用专用32A回路,实现分级保护与故障隔离79% similarUnverified家庭配电箱漏电保护标准方案:进线总开关用2P带漏电(或不带漏电的隔离开关)→分支中,插座、卫生间、厨房、空调等潮湿或高功率回路加漏电保护,照明回路用普通断路器,实现分级保护便于故障排查79% similar
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