[KongchangAI]
Unverified90% confidenceFactTime unknown

漏电保护器必须每月按一次试验按钮(T键)测试:通电状态下按下能立即跳闸说明脱扣机构正常,长期不测试机械机构可能卡死导致关键时刻失效

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90%
Confidence
Long-term
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