Lub hauv paus ntawm tooj liab-kab kab xev thaiv kab yog nyob rau hauv tus tsim ntawm nws cov shielding txheej. Raws li cov khoom siv tiv thaiv, daim kab xev tooj liab muaj cov khoom siv hluav taws xob zoo heev thiab kev ua haujlwm ntawm electromagnetic shielding. Nyob rau hauv cov qauv cable, daim kab xev tooj liab feem ntau yog qhwv ib ncig ntawm tus neeg xyuas pib lossis txheej txheej rwb thaiv tsev, tsim cov txheej txheem txuas ntxiv. Thaum sab nraud electromagnetic cuam tshuam cuam tshuam rau cable, daim kab xev tooj liab sai sai hloov lub zog cuam tshuam rau hauv av, yog li tiv thaiv cov teeb liab sab hauv los ntawm kev cuam tshuam. Tsis tas li ntawd, tooj liab-kab kab xev thaiv kab xev tuaj yeem suav nrog ntau- txheej txheej txheej txheej- muaj xws li cov neeg xyuas pib, rwb thaiv tsev, txheej thaiv, thiab txheej txheej sab nraud- txhawm rau txhim kho lub cable kev ua tau zoo thiab kev nyab xeeb.
