Yuav ua li cas txheeb xyuas cov kab tsis zoo?

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. Ua tib zoo saib ntawm daim ntawv lo luam ntawv, ua tib zoo saib yog tias muaj typos lossis cov duab sib txawv ntawm kev luam ntawv, cov lus tsis pom tseeb.

2. 2.Twist lub insulating daim tawv nqaij los ntawm txhais tes, thiab cov xim thiab wordareeasy mus lwv yog feem ntau inferior kab.

3. 3.Scratch thiab pinch lub insulating daim tawv nqaij nrog ib tug ntiv tes.Nws feem ntau yog ib tug inferior kab yog kos los yog pinched tawm.

4. 4.Yog tias cov xaim insulated tawg tom qab khoov peb mus rau plaub zaug, cov khoom ntawm cov txheej rwb thaiv tsev feem ntau tsis zoo.

5. 5.Ignite lub rwb thaiv tsev txheej. Nws yog cov hlau tsis zoo ifcan spontaneously combust tom qab tawm hauv qhov qhib nplaim taws.

6. 6.Aluminium thiab tooj liab feem ntau yog siv rau hauv cov tub ntxhais ntawm cov hlau, thiab cov xim ntawm cov inferior coreis grey thiab tsis muaj xim hlau luster.

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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