Dab tsi yog Kev Siv Roj Hmab Cable?

Thaum nws los txog rau cables, txhua leej txhua tus paub thiab tsis paub. Ntau lub tshuab ua liaj ua teb siv cov kab hluav taws xob zoo tib yam rau kev siv hluav taws xob me me, thiab kev txawj ntse ntawm cov neeg siv cable zoo li yuav siv tau rau hauv kev lag luam thee thiab cov chaw tsim hluav taws xob loj thiab nruab nrab. Qhov tseeb, nws txhua tus muaj peev xwm paub tsis meej. Rau cov cables thiab cables lawv tus kheej, lawv muaj hom meej thiab lawv cov kev siv tseem ceeb, uas tsis tau tham txog kom meej.

Dab tsi yog cov yam ntxwv ntawm cov roj hmab sheathed cables thiab dab tsi yuav tsum tau them rau?

Roj hmab sheathed cable feem ntau siv hauv kev tsim khoom, tab sis nws muaj cov kev cai nruj rau cov neeg siv. Dab tsi yog sab hauv yog qhov xav tau ntawm kev ua haujlwm voltage. Feem ntau, kev ua haujlwm voltage txais ntawm cov roj hmab sheathed cable yog nruab nrab ntawm 200V thiab 400V. Yog tias nws dhau lawm, cov yas yuav muag muag ua rau muaj hluav taws kub nyhiab thiab kev puas tsuaj uas tsis tuaj yeem kho. Yog li ntawd, peb yuav tsum xyuam xim rau nws thaum siv nws.

Cov roj hmab sheathed cable muaj cov conductivity zoo heev, uas tuaj yeem tsim cov khoom siv hluav taws xob txuas ntxiv thiab ruaj khov rau lub tuam txhab. Cov yas kuj tseem muaj kev tiv thaiv zoo rau cov qauv hauv kab. Nyob rau tib lub sijhawm, qhib rau lub ntiaj teb sab nraud tuaj yeem cuam tshuam rau sab nraud tam sim no, yog li nws nrov heev nrog cov neeg siv khoom.