Kif tidentifika kejbils inferjuri?

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.Ħares bir-reqqa l-istampar tat-tikketta, oqgħod attent jekk ikun hemm typos jew sfumaturi differenti ta 'stampar, il-kliem huma mċajpra.

2. 2.Twist il-ġilda iżolanti bl-idejn, u l-kulur u wordsareeasy biex iħassru huma ġeneralment linji inferjuri.

3. 3.Scratch u oqros il-ġilda iżolanti bi fingernail。Itt huwa ġeneralment linja inferjuri ifcan jiġu mfassla jew maqrusa off.

4. 4.Jekk il-wajer iżolat jinkiser wara bendingthree sa erba 'darbiet, il-materjal tas-saff ta' insulazzjoni huwa ġeneralment fqir ħafna.

5. 5.Ignite-saff ta 'insulazzjoni. Huwa l-wajer inferjuri ifcan spontanjament jaqbad wara li jħalli l-fjamma miftuħa.

6. 6.Aluminum u ram huma komunement użati fil-qalba tal-wajer, u l-kulur tal-coreis inferjuri griż u m'hemm l-ebda tleqqija metallika.

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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