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A short in an electrical circuit could cause the cables to become red hot, causing an electrical fire. Before the cables begin to heat up, the thinner fuse wire will blow, or a breaker will trip, and the circuit will become open before any damage occurs.
Wiki User
∙ 6y ago
Wiki User
∙ 6y agoFuse wire is designed to fail if the current passing through it exceeds its rating. That means the power is cut quickly - preventing the risk of fire.
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What type of wire is used in fuse and why?
Fuse wire is usually made with metal that has a low melting point, e.g. tin, to lessen the risk of fire.
Why are fuses used in the electrical circuits at home?
The fuse is supposed to be the weakest link in the circuit. The circuit is rated to handle a specific load current. The wire and insulation rating of the circuit is governed by this specific load. If this load malfunctions and the load current becomes higher that what is specified, the fuse is there to break the circuit. Never over fuse an electrical circuit with a larger amp rated fuse. <<>> for overcurrent protection nec art, 240
What will happen if 110 volt refrigerator was plug to 220 volt?
If you are lucky the fuse will blow. If not the refrigerator might catch fire.
Why is a fuse used in a circuit?
The purpose of the fuse is to protect the equipment receiving power from overload or short circuit. Having no fuse could result in destroying the equipment and/or a fire.In buildings the fuse protection (or circuit breakers) also protects the building wiring.While it is true enough that fuses are used to protect connected equipment and respond to direct faults, the size or rating of the fuse is determined, with limited exceptions, to protect the wiring system from damage caused by overheating due to imposition of currents higher than that for which the conductor insulation is rated.Your circuit is a chain of devices. This chain is only as strong as its weakest link. The rating in question here is current. When too much current is pulled through the chain, the weakest link gets hot. If this goes on too long, the weakest link may catch fire. If the weakest link is near flammable materials, it may catch them on fire.Fuses or circuit breakers are designed to be, and must be, the weakest link in the chain. If too much current is drawn, the fuse burns open in a controlled environment as opposed to the wire in the wall. This also alerts the user to the problem, who can correct it and replace the fuse. (Or put a penny in it and watch the firetrucks.)
How a fuse controls the flow of electric current in a circuit?
A fuse does not control the flow in a circuit, it limits the current in a circuit. If the load in a circuit shorts out the fuse link melts and opens the circuit and stops the current flow and prevents the wires feeding the circuit from melting and catching fire. resist
I took my car in for repairs including a new fuse. they replaced the fuse 5 times and it kept blowing. how long can you drive the car without one til it catches on fire?
You need to stop replacing the fuse and find out why it is blowing. It is blowing because you either have a short in the wiring, too small of a fuse, or the circuit is overloaded. If you remove the fuse then there is no danger of it catching on fire. Just make sure you do not install a larger fuse than is recommended.
Can you go 20 percent higher than original fuse?
You can, but it is would increase the danger of a circuit overload. And that could cause damage to the equipment or result in a fire.
Why do schools have a fuse box?
Schools have a fuse box for the same reason that any other building that is wired for electricity would have a fuse box, which is that if the electric power usage is too heavy for the wiring, rather than allowing the wires to melt and set fire to the building, the fuse will blow (or the circuit breaker will break the circuit) and turn off the power.
When you press the switch after the fuse has melted the light bulb will not glow explain?
The fuse has disconnected the power (the wire inside melted) because the current got too high. That's why fuses are used, otherwise there is great danger of fire or electrocution with electrical faults.
What damage can be caused be replacing a 5amp fuse with a 10amp fuse?
It can cause a fire. The circuit is protected by the 5 amp fuse. This fuse is protecting the wiring in the circuit from overheating and catching fire. Install a 10 amp fuse and the protection is lost. Very dangerous to substitute a larger fuse.
What does a microwave fuse do?
A microwave fuse does what any fuse does. It protects both the microwave and the building's electrical from surges and short-outs.
what fuse goes to dash lights on a 1991 Pontiac fire bird?
wich fuse goes to my dashboard lights on a 1991 potiac fire bird
Why is there no fire in the fuse box on the left side of a Windstar 2002?
There is no fire in the fuse box on the left side of a Windstar 2002 because there was no overflow of current.
Why is it dangerous to replace a fuse with a wire that bypasses the fuse?
By doing that you defeat the purpose of a fuse. The fuse is there to protect the wiring from an overload or short which could cause the wires to overheat and catch on fire. By replacing the fuse with a wire or fuse that is too large all the protection is gone and your car could catch on fire at any moment.
Where is the fuel pump fuse on a beretta?
there is a fuse on the fire wall ,there is constant power to a bolt with wires coming from it, under that there is a plug that is the fuse.
Where is maxifuse on 97 Ford Contour gl?
Depends on the purpose of the fuse. Use exactly the same size fuse as the one you remove, otherwise you may cause a fire. The fuse protects the wiring from overheating and catching fire.
What word means to fire a weapon?
To fire a weapon is to shoot, to fire, to blast, to pull the trigger, to light the fuse, etc.
