[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

分回路互感器(CT)分为开口式和闭口式,已装修好的家庭必须选开口式CT(钳形卡扣),无需断电断线即可安装;闭口式精度略高但需拆线穿线,仅适合新装配电箱

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Long-term
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