If your lamp has stopped working or another of your appliances has stopped working and you aren't sure why, then it's a good idea to use appliance repairs in order to make sure that you get the appliance mended. However you might also want to make some checks yourself, and one good place to start is to look at your plug which is often the source of the problem if it was caused by a blown fuse.
First, what is a fuse? Well essentially the idea of a plug is often not only to channel energy from your wall power point, but also to transform the energy to the right voltage and current and to make sure that you don't damage the appliance. Otherwise you would find that the amount of power coming from the wall was too great, and your appliance could be damaged beyond appliance repairs. While the plug will work in the vast majority of cases, there is always the chance that a power surge, or damage to the plug, could allow too much voltage and current to pass through even with the transformer working as it should. Thus as a fail safe the fuse is added to the plug which will help to avoid that from happening. What a fuse is, is essentially a very small piece of metal inside a glass cylinder that can only withstand a certain temperature and a certain voltage. When this gets too high, the small connection will melt and the current will no longer be able to flow through it, in other words it will cut off the circuit and mean that no power gets to your appliance - avoiding you from needing appliance repairs.
Of course this also stops the appliance from working and that can lead you to think that it's a problem with the device itself. Often you will check the bulb first when you have a blown fuse in a lamp for instance, but you will then find that the new bulb doesn't work either and that the old bulb doesn't rattle when you shake it.
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