How to distinguish the quality of aluminum wire?

1, the purchase of aluminum wire can be judged by the outer insulation rubber.
Generally good quality aluminum wire, its rubber appearance is very smooth, and the above handwriting is also clearly visible, color
Both. Fingernail insulation rubber, it will not be so easily damaged. If it is poor quality aluminum wire, then its insulating rubber surface is very rough, there will be some small protrudations, the writing above is relatively fuzzy can not see clearly, the color is dark here and there, very uneven, fingernail insulation rubber, can be very easy to pinch open.

2, the purchase of aluminum wire can also be judged by its internal core wire.

Generally good aluminum wire core is produced according to the specification requirements, so its diameter is also in line with the relevant requirements, soft
Relatively strong, after scraping off the surface of the aluminum wire, you can see the true color, and the core appearance will not have rust. If it does not meet these conditions, then it is poor quality aluminum wire.

3. If you buy aluminum wire, you can see whether its actual length is consistent with the marked length.