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fuse
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fuse

In electricity, a wire or strip of metal designed to melt (thus breaking the circuit) when excessive current passes through. It is a safety device that halts surges of current that would otherwise damage equipment and cause fires. In explosives, a fuse is a cord impregnated with chemicals so that it burns slowly at a predetermined rate. It is used to set off a main explosive charge, sufficient length of fuse being left to allow the person lighting it to get away to safety.

In an electrical fuse, current flow converts electrical energy into heat energy, increasing the temperature of the fuse material. As more current flows, the temperature of the material rises; at a certain current the material melts, thus interrupting the current flow.

Different types of electrical equipment require differently-rated fuses depending upon how much current can flow without damaging the equipment. For example, some equipment requires a 13 amp fuse and some a 3 amp fuse.
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Steven Arnold restrained the powerhouse in the early stages before lighting the fuse aboard the 11-4 favourite passing the two-furlong marker.
Scenic set for more by Birmingham Mail (England)
The programme will also examine whether Guy Fawkes would have been killed had he succeeded in lighting the fuse.
Fawkes sparks pounds 1m TV remake by The Mirror (London, England)
A 20-YEAR-OLD man described as having a fascination with explosives and "anything that went bang" blew himself up after putting a home-made pipe bomb in his mouth and lighting the fuse, an inquest heard yesterday.
Man, 20 killed by bomb in mouth by Coventry Evening Telegraph (England)
 
 
 
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