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How to Calculate the Amperage of Fuses Yourself

Model: (Various brands) Various

What is the purpose of a fuse? To protect the end user. This is a theoretical lesson applicable to all types of vehicles. If you want to calculate the amperage of the fuses yourself, this is possible with simple formulas shown in the video; it is not difficult. From these, you can determine the response speed of the fuse itself. The video also illustrates the various types of fuses available on the market, and then physically shows the different types of fuses: mini-blade, blade, Bosch, glass (for higher voltages), ceramic (for large systems). The instructor then explains the formula needed to determine the correct amperage for the fuses in your vehicle (car, motorcycle, camper) and if you wish to oversize it for any specific needs, you can do so independently.

Updated on 3 July 2026 by ScegliAuto

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by ScegliAuto

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