Kako prepoznati inferiorne kabele?

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.Pažljivo pogledajte ispis naljepnica, obratite pozornost ima li tipfelera ili različitih nijansi ispisa, riječi su zamagljene.

2. 2. Zavrnite izolacijsku kožu rukom, a boja i riječi se lako brišu obično su inferiorne linije.

3. 3. Izgrebite i uštipnite izolacijsku kožu noktom。To je obično inferiorna linija ako se može povući ili odštipnuti.

4. 4. Ako izolirana žica pukne nakon savijanja tri do četiri puta, materijal izolacijskog sloja obično je vrlo loš.

5. 5. Zapalite izolacijski sloj. To je inferiorna žica ako se može spontano zapaliti nakon izlaska iz otvorenog plamena.

6. 6. Aluminij i bakar obično se koriste u jezgri žice, a boja inferiorne jezgre je siva i nema metalnog sjaja.

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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