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A fuse is specifically rated to a certain amount of power. When this is exceeded the fuse 'melts' and will not allow the power limit to be over extended.

A nail will allow the appliance to work but offers no protection.

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Q: Why must not you replace a fuse in a plug with an iron nail even the appliance still work?
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Related questions

Can I replace a 16 amp fuse with a 15 amp fuse?

No, as soon as you turn on the appliance the wire inside the fuse will melt as there will be too muck current flowing through it


What will happen to an appliance if the fuse rating is less than the current an appliance needed?

The appliance will not work because the fuse will blow every time.


How does a fuse wire save an appliance from high electric current?

A fuse link will melt and interrupt the flow of current to the appliance before it can get high enough to damage the appliance or wiring.


Will it work if you replace a 1.25 amp 125 volt fuse with a 1 amp 250 volt fuse?

Yes you can do that as long as it will fit in the fuseholder. It is acceptable to replace a lower Voltage Rated fuse with a higher but NEVER replace a higher with a lower. There are several things to consider when replacing a fuse: 1) The minimum voltage rating of the fuse is equal to or higher than the voltage of the circuit you are placing it in 2) The Amperage rating of the fuse does not exceed the capacity of the circuit you are trying to protect. Always replace a fuse with one that has the same amperage rating. 3) The interrupting rating of the fuse is sufficent for the capacity of the circuit supplying the fuse. If replacing a fuse always use one with an interrupting capacity equal to or greater than the fuse you are replacing.


Can you use a 32V 15A fuse if the appliance calls for a 125V 15A fuse?

No


Why would it be dangerous to replace a fuse with one a higher value?

The fuse would not "blow" when the critical power loading was reached. The power going into the appliance could exceed the safety level. At best this could damage the appliance - which will usually be more expensive than a fuse. At worst, it could lead to a short circuit and a fire which could destroy property and possibly kill!


What are the uses FUSE?

They are a safety feature in the case of an energy surge - without the fuse damage could be dome to the appliance, with the fuse if their is a surge of electricity it burns out the fuse so can't travel all the way to the appliance damaging it.


This device will burn out before an appliance is ruined?

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Why is it dangerous to use the wrong fuse in an appliance?

it can shock you


2000 Pontiac Montana Keyless entry fobs not working replaced batteries still not if receiver where is it located and can i replace?

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What is the fuse rating of 600watt appliance on a 220 volt supply?

The fuse rating should be 5 amps


A fuse should be conected between?

A fuse should be connected in the live wire, before reaching the appliance.