Fuse Markings Explained - Fuses - Fuse Holders As these fuses are larger in size, there is usually a lot more information printed on the fuse body. This information that is likely to be found on the fuse is summarised in the following table. Common Markings on Industrial FusesFuse Speed Explained · Testing a Fuse · How to Identify a Fuse Car Fuses and Fusible Link Colors and Functions Explained Types of Blade Fuses. There are six types of blade fuses that you may run into when you pop open the fuse box on a modern car or truck: micro2, micro3, low-profile mini, mini, regular and maxi. For all blade fuses, the housing may be opaque or clear.