Ceramic Fuse Black Line

It worked fine until i open the microwave door it blows every fuse i put in it.

Ceramic fuse black line.

It may be a glass fuse with a filament or a ceramic fuse. 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. To check a ceramic fuse use an ohmmeter or continuity tester. So i bought fuses and replaced the old one.

It will show scorch marks and the filament will be melted. 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. Testing a ceramic fuse is the only way to tell if the fuse has blown.

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. A ceramic fuse however shows no damage upon visual inspection. Are they just made like that. The presence of a ceramic fuse ensures that an electrical surge is unable to harm the inner components of the microwave.

It s easy to tell if a glass fuse is blown. 4 5 out of 5 stars based on 2 reviews 2 ratings current price 5 43 5. What does this mean.