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Copper is a metal having high melting point and very low specific resistance. in case of excess current flowing in the circuit it will not be able to melt wire quickly and break the circuit protecting it.

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15y ago
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14y ago

You can't use it because it has the same melting point as the pipe you are trying to seal. It just will not work. What you use has to have a lower melting point than what you are trying to weld or attach to.

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11y ago

It is not pure enough

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Q: Why copper can't be used as fuse wire?
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Related questions

Why can't copper wire used as a fuse wire?

Metal with a lower melting point is preferred for fuse wire to reduce the risk of fire.


What do you think will happen if a thick copper wire is used as a fuse?

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Why is copper used in fuses?

Copper is used in the contact points in fuse boxes because it will oxidize and you can separate the points of contact. If it was made if iron and rusted, it will 'weld' the link together and then it is no longer a fuse.


Why can not copper wire be used as a fuse wire?

The fuse needs a low melting point and reletivelyhigh resistance so that it melts at the proper current


What will happen if a thick copper wire is used in fuse?

If a thick copper wire is used in a fuse then by definition of a fuse this device would no longer be defined as a fuse. A fuse in a circuit is used to protect the conductors feeding the load of that circuit. The circuit, if using a thick copper wire in a fuse, would then be considered as a non fused circuit.


What is fuse wire?

copper and tin


What are the mixtures in fuse wire?

tin lead alloybasically tin lead allows are used . but other metals which have low melting point and appropriate resistivity can be used


Which metal used in fuse wires?

Apparently mainly tinned copper is used in fuse wires. I have heard that there are a lot of other metals used as teh fuse wire though!


What is fuse wire made?

copper and tin


Why is aluminum or copper wire not used as fuse wire?

Because those metals have a high meling point, so it's easier and safer to use fuse wire which melts at a lower teamp.


Is it safe to use copper to repair electrical fuse?

yes very safe.add. Fuse wire is usually made of tin-plated copper. The fuse wire may well get warm in service, and a bare copper wire will gradually oxidize and will fail sooner as a consequence.


What types of metal wire could you use to replace a normal fuse wire?

The common metals used in fuse elements are zinc, copper, silver, aluminum, or alloys. Bear in mind that, of them, copper has one of the highest melting points so is only used for specific high temperature fuses. For domestic use the alloy fuse is used.