answersLogoWhite

0

There are only two times a fuse becomes hot. One is just after it has interrupted a high current fault. The other time when a fuse becomes hot is when the fuse holder screw has slackened from the switch's main frame. The looseness of the holder begins to create a high resistance. Sequential heating and cooling of this bad connection continues to drive the resistance higher and higher. If not found and attended to, the heat can become so intense as to burn the end of the fuse off that is situated in the faulty fuse holder.

User Avatar

Wiki User

13y ago

What else can I help you with?

Continue Learning about Electrical Engineering

Why will too many electric devices operating at one time often blow a fuse or trip a circuit breaker?

In a house, usually all the outlets in a room are on one breaker or fuse. Each thing plugged into those outlets consumes some electrical power. This is a number rated in Watts. In this case, the more Watts something consumes, the higher the current is (measured in Amps) in the wires that connect the outlets to the main power in the breaker box. The current in power circuit must be limited for safety reasons. The wires in the walls can only handle a certain amount of current safely. If too much current flows the wires can become extremely hot, possibly starting a fire.


What happens when too much electrical current passes through the metal strip on a fuse?

It will burn out.


A device that contains a thin strip of metal that will melt if there is too much current through it is called?

a fuse


What if house fuses blowing?

If a fuse in your home keeps blowing it can be caused by several things. Most often it is because that circuit is being overloaded. There is simply too many things pulling power on that circuit. It can also be caused by a short in the wiring somewhere. Can also be an appliance is defective. Can also be someone has installed a fuse that is too small for the circuit. Whatever you do, do not install a larger fuse than the circuit calls for to prevent it from blowing. The fuse is there to protect the wiring from overheating and catching on fire.


Why do electric cables get hot?

cables get hot because they have too much current running through them. heating wires are made to run hot. cables are not. get larger wire

Related Questions

Why does a 30 amp mini fuse get hot?

I would suspect this is the wrong fuse for this circuit. If it is getting hot it is carrying too much of a load.


WHY WOULD left side of fuse panel stay hot without key on?

Anytime there is a short to ground there is the certainty of a wire getting hot. Another possibility is there may be a wrong fuse introduced the the fuse box allowing the fuse box to get hot prior too popping. Check the fuse parameters and the last job that was completed on your automobile for verification


Why converter get too hot?

Over time it can become packed with particles which impede flow of the exhaust. Also, it can get hot by too much unburnt gasoline entering it.


Why does the Moon's surface become too hot?

the sun is reflecting its rays of light on it


Why can a kid be uncomfortable in a snowsuit?

It can become too tight, too hot, they can't move/ becomes bulky, and they can get an itch


Why might a spacecraft become too hot?

Because of the absense of atmosphere spacecraft becomes too hot as Sun's heat radiations fall on it. Apart from heat radiations, ultra violet rays too fall on it in larger amount.


Why can metal utensils get too hot to touch when you're cooking cooking with them?

Metals are good conductors of heat. If too much of the heat you're using to Cook the food items go into the utensils, they can become too hot to touch.


If your birth control gets too hot or too cold does it become less effective?

Yes, birth control pills will become less effective if stored in temperatures which are too hot or too cold. Ideally, they should be stored at temperatures between 68 and 77 degrees. Excess moisture is not good for them either, so storing them in the bathroom is not a good idea.


Why is the scrotum sometimes saggy and sometimes tight?

The testicles have to be a certain temperature to produce sperm. If they become too cold they will tighten towards the body. If they become too hot, they will sag down away from the body.


Are battery cables supposed to be hot?

Battery cables are not supposed to be hot. Cables may become hot if there is too large of an amp draw, meaning there is a problem that needs attention. yes yes


Why can all three rock types melt and become molten?

it can melt and be molten because fire is too hot.


Can heat effect plant and animal cell?

Heat can definitely effects both types of cells. If cells become too hot or cold (or vary too far from their ideal temp.) they can denature and become useless.