[KongchangAI]
Unverified78% confidenceFactTime unknown

线缆长度与线径需匹配:1.5米以内可选1.0mm²铜芯,超过3米或接大功率设备应选1.5mm²铜芯,线太细太长会导致压降和发热;注意『纯铜』与『铜包铝』的区别,后者电阻大更易发热

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78%
Confidence
Long-term
Relevance
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