Kako prepoznati inferiorne kablove?

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 štampanje etikete, obratite pažnju ako ima grešaka u kucanju ili različitih nijansi štampe, reči su zamućene.

2. 2. Ručno uvijte izolacionu kožu, a boja i reči koje se lako brišu obično su niže linije.

3. 3. Zagrebite i uštipnite izolacionu kožu noktom。To je obično donja linija ako se može povući ili uštinuti.

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

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

6. 6. Aluminij i bakar se obično koriste u jezgri žice, a boja donje 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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