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浅谈铜导线能承载多大的电流
一平方铜导线到底能承载多大电流?下面是根据铝导线所能承载的电流常用口诀:
十下五;百上二;二五三五四三界;七零九五两倍半;穿管温度八九折;铜线升级算;裸线加一半说明:十下五就是十以下乘以五;百上二就是百以上乘以二;二五三五四三界就