National standard cables are all the same, no matter what brand, the quality is tested by burning this small method:
1, light it with a lighter to see if there is an open flame. If there is an open flame, the flame retardancy is not good;
2. Whether there is peculiar smell after burning, if there is, the leather is not good;
3, whether the skin is black, black is not a material;
4, see whether the copper core is black, black is not oxygen-free copper, poor oxidation resistance.
A customer ordered the sample sent by Henan Pacific, because it was not found during the fire inspection, but all other samples were found.