Discern the quality of wires and cables through insulation

All kinds of cable specifications on the market, coupled with fake cable flooding, many friends in the choice of wire and cable will feel blank. Below, JZD CABLE share with you the insulation layer to distinguish the quality of wire and cable small skills.

It can start from seven aspects:

1. Pull: if the insulation layer is of poor quality, it will be easy to deform and crack when pulling hard.

2. Cutting: Cut a section carefully observe the cross section of the cable sheath, if there is no bubble, filling inseparable, the quality is good.

3. Fold: bend a small section of cable at will, if there is no fracture, white marks, the quality is good.

4. Grinding: friction the insulation layer, if the insulation layer is bright and not obviously damaged, the quality is good.

5. High temperature: the cable sheath is exposed to the sun in a long time. If the cable sheath does not fade, the quality is good.

6. Tobacco control: ignite a small section of cable, if it is fake cable sheath will smoke, and high-quality insulation layer only a small amount of fog.

7. Odorless: The bad smell choking is fake cable sheath, high-quality insulation even if ignited, there is no smell of choking nose.

If you have any questions, please come to consult!