An Introduction To Electrical Fuse
Fuses are electrical devices that are installed in an electric circuit so as to interrupt the exceeding current by creating an open circuit condition. These are meant to protect the expensive appliances from being burnt out by voltage surges.
The basic function of an electric fuse is to prevent healthy part of the circuit from being damaged and to limit the damage to the faulty sections or items to the lowest possible level.
A fuse consists of one or more current carrying elements, depending on their current ratings. Whenever an excessive over current flows through them, the conductor melts that results into the blowing of fuse. Since, there is no way to fix or repair a blown fuse, you need to replace it.
Replacing a fuse is a pretty easy home maintenance task but you need to be very careful because electricity can be dangerous. Unplug all the devices that are connected to the power supply prior to fuse replacement. In addition to this, use a correct rating fuse every time you replace it.
In addition to this, never touch the metal parts while removing or inserting the fuse. Moreover, you should wear insulated gloves to be safe. Ensure, you do not try replace the fuse with wet hands.
Condition generally arrives that after the electricity is restored and you have not turned on the devices, but still the fuse blows off. Then there is a defect in your home wiring system or your appliance connections are wrong. And hence, you need to hire a professional for this job.
Fuses protect electrical devices, components and circuits from over currents and short circuits. In addition to this, high reliability is one of the major advantage of using the fuse for over current protection. These are capable of limiting the overloads to only single circuit thus minimizing the danger of fire. Other benefits include circuit breaking and relatively low cost.
Nowadays, fuses are a nondetachable part of electrical systems in automobiles, boats, motor cycles and other vehicles. Additionally, these are now employed in integrated circuits to provide redundancy and programming capabilities.
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