Unverified50% confidenceFactExact time
GFCI（接地故障断路器）的核心原理是持续比较火线与零线的电流差值，一旦差值超过阈值（通常4-6毫安）即跳闸
1
Sources
50%
Confidence
Long-term
Relevance
7/12/2026
First Seen
Sources
DIY户外照明改造：从零布线到装灯的全流程实录
youtubeElectroBOOM6/19/2026
Related Claims
Unverified实测中该GFCI插座在约4.9毫安漏电电流时跳闸，符合5mA左右动作的设计标准80% similarUnverifiedGFCI（美标接地故障断路器）漏电插座动作电流通常为5mA，比国标漏电保护器30mA更灵敏，但需确认其通过国内CCC认证且适配220V电压，否则不可直接使用73% similarUnverified智能排插（多孔位分控）要确认是整体总电流限制（通常10A/2500W）还是每孔独立计量，多个大功率设备同插一个排插时总功率超限会跳闸65% similarUnverified如果电线额定值低于断路器，过载时断路器不会及时跳闸，电线可能先过热起火64% similarUnverified线材越长充电时线阻越大、末端电压跌落越明显，2m线在大电流下发热和损耗高于1m线，追求满速快充优先0.5-1m63% similar
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