Although it is fairly easy for a practiced eye to identify car fuses on sight you can also look at a visual guide to help determine which type of fuse you need to.
Ceramic fuse black line.
What does this mean.
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It may be a glass fuse with a filament or a ceramic fuse.
Are they just made like that.
It will show scorch marks and the filament will be melted.
Unlike glass fuses those ceramic fuses called current limiting fuses are very fast acting filled with sand that melts into glass shall a fault occur which is an insulator thus opening the electrical circuit.
Blade fuses are sometimes physically difficult to pull out but most vehicles come with a fuse puller tool that is located inside one of the fuse boxes or attached to a fuse box lid.
To check a ceramic fuse use an ohmmeter or continuity tester.
A ceramic fuse however shows no damage upon visual inspection.
The presence of a ceramic fuse ensures that an electrical surge is unable to harm the inner components of the microwave.
Product title 14qbp20csb microwave ceramic slow blow fuse 20 amp.
So i took it apart and saw that the fuse had a black line going around the fuse.
The fuse will be one to two inches long.
It worked fine until i open the microwave door it blows every fuse i put in it.
So i bought fuses and replaced the old one.