Conas cáblaí inferior a aithint?

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.Féach go cúramach ar phriontáil an lipéid, tabhair aird má tá typos nó shades éagsúla priontála ann, tá na focail blurred.

2. 2.Twist an craiceann inslithe de láimh, agus is gnách go mbíonn an dath agus na focail atá éasca le scriosadh mar línte inferior.

3. 3.Scratch agus pinch an craiceann inslithe le méar. De ghnáth is líne níos lú é agus is féidir é a tharraingt nó a phionnadh.

4. 4.Má bhriseann an sreang inslithe tar éis lúbthachta trí go ceithre huaire, is gnách go mbíonn ábhar an chiseal inslithe an-lag.

5. 5.Ignite an ciseal inslithe. Is é an tsreang inferior ifcan dó go spontáineach tar éis dó an lasair oscailte a fhágáil.

6. 6.Alúmanam agus copar a úsáidtear go coitianta i gcroílár na sreinge, agus an dath an coreis inferior liath agus níl aon luster mhiotalacha.

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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