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220v 电压 用电12800瓦 需要多少平方的电线的计算公式
220v 电压 用电12800瓦 需要多少平方的电线的计算公式
2025-03-13 10:41:44
推荐回答(3个)
回答1:
估算12800÷220=58.18A 1方线安全电流为5-6A,所以58.18÷5=11.6方 那么最小用12方线。
回答2:
12800w/220v=58A 要用8平方的铜芯线
回答3:
有6平方的铜线就够用了
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