Kā atpazīt zemākus kabeļus?

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.Uzmanīgi apskatiet etiķetes drukāšanu, pievērsiet uzmanību, ja ir drukas kļūdas vai dažādi drukas toņi, vārdi ir izplūduši.

2. 2. Pagrieziet izolējošo apvalku ar roku, un krāsa un vārdi, kurus ir viegli izdzēst, parasti ir zemākas līnijas.

3. 3. Noskrāpējiet un saspiediet izolējošo ādu ar nagu. Parasti tā ir zemāka līnija, ja to var novilkt vai nospiest.

4. 4. Ja izolētais vads saplīst pēc trīs līdz četru reižu saliekšanas, izolācijas slāņa materiāls parasti ir ļoti slikts.

5. 5.Izolācijas slāni aizdedziet. Tas ir zemāks vads, ja tas var spontāni aizdegties pēc atklātas liesmas atstāšanas.

6. 6. Alumīniju un varu parasti izmanto stieples serdenī, un apakšējā serdeņa krāsa ir pelēka, un tai nav metāliska spīduma.

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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