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A: Possible causes:
1. The rated current of leakage protection switch is too small, or the brand quality is not good;
2. The residual operating current I Δ n of leakage protection switch is too small, and the household power consumption of general residents is 30 ma;
3. Improper handling of AC cable head, reduced insulation, or cable damage;
1. The rated current of leakage protection switch is too small, or the brand quality is not good;
2. The residual operating current I Δ n of leakage protection switch is too small, and the household power consumption of general residents is 30 ma;
3. Improper handling of AC cable head, reduced insulation, or cable damage;
Solutions:
1. Select high rating leakage protection switch, and good brand.
2. Select leakage protection specification I Δ n ≥ 300mA;
3. Check the AC cable insulation, find the damage part, replace cable or make proper insulation.
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