Paano makilala ang mga mababang cable?

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.Tingnan mabuti ang label printing, bigyang pansin kung may mga typo o iba't ibang mga kulay ng pag-print, ang mga salita ay malabo.

2. 2. I-twist ang insulating skin sa pamamagitan ng kamay, at ang kulay at mga salita na madaling burahin ay kadalasang mababa ang linya.

3. 3. Kamot at kurutin ang insulating na balat gamit ang isang kuko. Ito ay karaniwang isang mababang linya kung mabubunot o maipit.

4. 4. Kung ang insulated wire ay masira pagkatapos ng baluktot ng tatlo hanggang apat na beses, ang materyal ng insulation layer ay kadalasang napakahirap.

5. 5. Sindiin ang layer ng pagkakabukod. Ito ay ang mababang wire kung maaaring kusang masusunog pagkatapos umalis sa bukas na apoy.

6. 6. Ang aluminyo at tanso ay karaniwang ginagamit sa core ng wire, at ang kulay ng inferior core ay gray at walang metal na kinang.

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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