The easiest way to distinguish between copper wire and wire
Weigh weight, break a. Copper is the heaviest. The light is aluminum, and the soft one is aluminum.
According to the color of copper, purple, yellow, iron whiteAccording to the hardness of copper over the soft hard to judgeTest with a magnet, you can suck up the iron, can not smoke is copper
Look at the cross section is copper, there is a sharp scrape off the outer conductor is a copper wire, if it is stranded with the fire that, at about 1 red and continuous copper wire, such as paper and white, is aluminum.
