Cumu identificà i cavi inferiori?

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.Fighjate attentamente à l'etiqueta stampata, fate attenzione s'ellu ci sò typos o diverse sfumature di stampa, e parolle sò sfocate.

2. 2.Twist a pelle insulating da a manu, è u culore è e parolle sò facili da sguassà sò generalmente linii inferjuri.

3. 3.Scratch and pinch the insulating skin with a fingernail。Itt hè di solitu una linea inferjuri si pò esse disegnata o pizzicata.

4. 4.Se u filu insulated si rompe dopu à bendingthree à quattru volte, u materiale di a capa d'insulation hè di solitu assai poviru.

5. 5.Ignite a capa d'insulation. Hè u filu inferjuri si pò brusgià spontaneamente dopu avè lasciatu a fiamma aperta.

6. 6.Aluminium è ramu sò cumunimenti usatu in u core di u filu, è u culore di u core inferjuri grisgiu è ùn ci hè micca lustru metallicu.

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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