Txheeb xyuas tias qhov ntsuas ntawm fuses thiab fuses sib haum nrog cov cuab yeej tiv thaiv.
Xyuas seb qhov zoo li ntawm lub fuse puas raug puas los yog deformed, thiab seb puas muaj ib qho kab ntawm flicker tawm ntawm lub plooj (porcelain insulating part).
Xyuas seb cov ntsiab lus ntawm lub fuse puas nyob rau hauv zoo, kev sib cuag nruj, thiab seb puas muaj overheating.
Seb lub tshuab hluav taws xob qhov taw qhia ntawm lub fuse yog qhov qub.