Me pehea te tautuhi i nga taura iti?

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.Ata titiro ki te tuhi tapanga, kia tupato ki te mea he hapa, he rereke ranei nga atarangi o te ta, kua pohehe nga kupu.

2. 2.Twisthia te kiri kiri ma te ringa, a ko te tae me nga kupu e ngawari ana ki te ūkui he rarangi iti iho.

3. 3. Tikina, ka whakawiritia te kiri whakamarumaru ki te maikuku. Ko te tikanga he raina iti ka taea te kumea, ka kowhakina atu ranei.

4. 4.Ki te pakaru te waea kiriweti i muri i te pikonga e toru ki te wha nga wa, ko te nuinga o te waa he tino rawakore nga rauemi o te paparanga whakamatao.

5. 5.Kia te paparanga whakamatao. Ko te waea iti ka taea te wera i muri i te wehe i te mura o te ahi.

6. 6.Ko te konumohe me te parahi e whakamahia nuitia ana i roto i te uho o te waea, me te tae o te coreis inferior hina me te kore he whiti konganuku.

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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