Thaum hloov, nco ntsoov xaiv lub fuse nrog qhov tseeb amperage, thiab tsis txhob nce qhov tam sim no ntawm lub fuse ntawm lub siab nyiam (vim tias cov khoom siv hluav taws xob tuaj yeem ua haujlwm zoo ntawm qhov tam sim no ntawm 1A, tab sis yog tias nws ntau dua 1A, hluav taws xob. Cov khoom siv yuav tsis ua haujlwm zoo, yog li kev hloov lub fuse yuav tsum ua raws li lub hauv paus ntsiab lus ntawm "qis dua li siab dua", thiab tsis tuaj yeem hloov nrog cov hlau hlau) Yog tias 15A fuse tawg, nws tuaj yeem hloov nrog 10A fuse nyob rau hauv. lub sij hawm luv. Thaum tsis muaj fuses, thaum muaj xwm txheej ceev, cov fuses ntawm lwm yam khoom siv uas tsis muaj kev cuam tshuam rau kev tsav tsheb thiab kev nyab xeeb tuaj yeem hloov tau, xws li fuses ntawm lub tshuab cua txias thiab lwm qhov chaw.
