Lub fuse siv nyob rau hauv lub zog hluav taws xob thiab cov khoom siv hluav taws xob siab tsis yog tsuas yog muaj peb feem ntawm cov fuse dav dav, tab sis kuj muaj cov khoom siv hluav taws xob tua hluav taws xob, vim hais tias cov hluav taws xob tiv thaiv los ntawm hom fuse no tsis tsuas yog muaj qhov ua haujlwm loj, tab sis kuj muaj ob ntu. ntawm lub fuse thaum lub fuse yog cua tshuab. Qhov hluav taws xob ntawm lub davhlau ya nyob twg kuj siab heev, thiab nws feem ntau pom tias cov yaj tau yaj (fuse) lossis txawm tias vaporized, tab sis tam sim no tsis tau txiav tawm. arc phenomenon. Qhov no arc extinguishing ntaus ntawv yuav tsum muaj lub zog rwb thaiv tsev thiab zoo thermal conductivity, thiab tsis zoo them. Quartz xuab zeb yog ib qho khoom siv hluav taws xob tua hluav taws.
