纸包线是在铜或铝导体上绕包电话纸或电缆纸，是制造油浸式变压器的绕组用线。
The paper covered wire is made by covering conductors of aluminium or copper with telephone paper or cable paper , and used to make oil-immersed transformers .
GB/T7673.2-1987纸包绕组线第二部分：纸包圆线
Paper covered wires & Part 2 : Paper covered round wires
纸包线