![]() Fuse is always connected in series with the electrical circuit. This is connected between the ends of the terminals. It’s made up of thin strip or strand of metallic wire with noncombustible material. The fuses work on the principle of the heating effect of the current. That’s why we need fuses to protect our home appliances from harm. When the fuse goes, a sudden spark occurs which may lead to turning your home into sudden darkness by disconnecting the power supply which saves any further mishappenings. The lives of television, computers, radios and other home appliances may also put at risk. If we don’t use fuses, electrical faults occur in the wiring and it burns the wire and electric appliances and may starts fire at home. Here is the basic circuit diagram & symbol of the fuse.įuses are used for the prevention of home appliances from the short circuit and damage by overload or high current etc. Their strips are made up of aluminum, copper, zinc & it is always connected in series with the circuit to protect from overcurrent in the running cables. Also, it works as a circuit breaker or stabilizer which protects the device from damage.In the market, many types, features, and design of fuses are available nowadays. The fuse is made up of thin strip or strand of metal, whenever the heavy amount of current or an excessive current flow is there in an electrical circuit, the fuse melts and it opens the circuit and disconnects it from the power supply. Our box has two different types of fuse and they are not interchangeable.Fuses are the protectors, these are the safety devices which are used to protect the home appliances like televisions, refrigerators, computers with damage by high voltage. ![]() It can be a real pain, because it seems like whenever you blow a fuse it's never the one you have in the drawer. This is insane, because the whole reason you have fuses in the first place is to keep an overloaded circuit from starting a fire or doing further damage.ĭo houses even have fuse panels these days? My place still has a fusebox, but it's a really old house. I remember my old crazy uncles saying that if they had a circuit that kept blowing they would just put a penny in it. They are also harder to short-circuit the safety features. No real reason to, a circuit breaker is really cheap and they are much easier to deal with when something blows. July 19, - A fusebox can still be up to code, but I don't think they can be installed in a new house anymore. Things were a little different then, to say the least. If he had a bad circuit, he would put in the penny, wait for the wall to start getting warm or turn black, take the penny out, knock a hole in the black spot with the hammer, fix the wires, then patch the wall. One of my relatives was an electrician back in the 40s and he said he always carried a box of pennies and a hammer in his tool kit. July 19, - Hilarious! I think we must have grown up with the same uncles. Is it true that this is a usual situation? Someone said it is common for a newly replaced fused to make noise but I am very wary. It screwed in smoothly and all seemed to be well, but today, there is a buzzing/humming sound coming from the fuse box that I can hear though the wall in which the fuse box is located.Įveryone who comes into the kitchen hears it and remarks on it. It arced and popped, so I tried a new fuse in that socket too. I changed out a blown 30 amp fuse and while checking to see which fuse was blown came across another fuse that felt "gritty" when screwing it back in.
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