导线标记字体为宋体，字体清晰，高度不应小于2.5mm，导线标记的长度和

Wire mark font Times New Roman, font clear height of not less than 2.5mm, the length and inner diameter wire mark shall be as specified in Table 1; and when using 2.2 b) labeling method, in Table 1 can be increased by 15mm.

The wire marking font is a argon, the font is clear, the height should not be less than 2.5mm, the length and inner diameter of the wire marking should conform to the requirements of Table 1, and when the 2.2 b) marking method is used, the length in Table 1 can be increased by 15mm.

The font of conductor mark shall be in Song typeface, with clear font and height not less than 2.5mm. The length and inner diameter of conductor mark shall meet the requirements of Table 1. When 2.2b) marking method is adopted, the length in Table 1 can be increased by 15mm.<br>