![]() Fuses work in such situations to disconnect the circuit and prevent the damage from occurring. This can cause overheating or even a fire. When an unintended contact between electrical components, e.g, wires of a circuit results in diversion of the current, a lower resistance than that of a normal circuit may form. Here is a list of the functions played by fuses: The main use of a fuse is to create an open circuit when excessive current flows through the system hence preventing damage to the system and its electrical components. Electrical appliances like TVs, ACs, washing machines, and music systems.This device comprises an element made of a metal ribbon, thin wire, or spring enclosed in a non-combustible encasing and mounted in series between a pair of electrical terminals.Ī fuse can be made of a variety of metals, e.g., copper, aluminum, zinc, or silver.įuses are found in various electrical systems, including the following: By preventing overcurrent, fuses also protect the circuit wires from starting a fire in case of an electrical fault. What Is a Fuse?Ī fuse is a protective device added to a circuit to act as the weak link and prevent current overload.įuses unsure excess current does not pass through a circuit and destroy appliances attached to it. This will help you to understand why the fuse is blowing and how to solve the problem. ![]() We’ll also look at how a fuse works, outline the types of fuses, and finally explain in detail the causes. To understand the causes of a blown fuse, let’s go through the basics of fuses. You may simply need to back off of the load that the generator is trying to pull. If the fuse only blows when the generator is carrying a load, you are likely facing an overload issue. One of the key distinctions that you need to determine is this: does the fuse blow only when there is a load on it or does the fuse blow even with no load?Ĭlarifying this will help you to determine where the problem lies. Troubleshooting A Generator That Keeps Blowing A Fuse People who have standby generators such as Generac complain of this issue often. I realize how frustrating it can be when a fuse keeps blowing. Likely causes of a generator repeatedly blowing a fuse include:Īny of these will lead to an abnormal flow of electricity, which will melt the wire ribbon in the fuse and break the circuit instantly. You need to understand the primary reasons this happens and how to troubleshoot it. A generator that is blowing fuses indicates an underlying issue and should not be ignored.
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