Hoe kinne inferior kabels identifisearje?

Wire and cable are indispensable materials for the transmission of power energy, and is widely used in economic production, once the cable fails, it will not only threaten the safe and stable operation of the power grid, but also cause significant economic losses to families and society. Now there are a lot of unqualified cables in the market to disrupt the choice of consumers with fake and shoddy, and the following will introduce the identification method of concentrated inferior cables.

1. 1.Sjoch foarsichtich op it label printsjen, let op as der typfouten of ferskillende skaden fan printsjen binne, de wurden binne wazig.

2. 2.Twist de isolearjende hûd mei de hân, en de kleur en wurden binne maklik te wiskjen binne meastal inferior rigels.

3. 3.Kras en knyp de isolearjende hûd mei in fingernagel. It is normaal in mindere line as kin wurde tekene of ôfknipt.

4. 4.As de isolearre draad brekt nei it bûgjen fan trije oant fjouwer kear, is it materiaal fan 'e isolaasjelaach meastentiids tige min.

5. 5.Ignite de isolaasje laach. It is de inferior tried as kin spontaan combust nei it ferlitten fan de iepen flam.

6. 6.Aluminium en koper wurde faak brûkt yn 'e kearn fan' e draad, en de kleur fan 'e ynferior koarn is griis en der is gjin metallyske glâns.

7. 7.Measure the outer diameter of the insulated wire and the diameter of the core, the allowable error is ±10%, and if the measured value exceeds the allowable error, it is basically an inferior insulated wire.

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