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How does a fuse work?

April 26, 2017fuse

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How does a fuse work?

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A fuse is connected directly into an electrical circuit. If the electric current surges to a dangerous level, the metal in the fuse melts and the circuit is broken, preventing overheated wires in the walls of the house from starting a fire. Never substitute a fuse of greater capacity than that specified for a particular circuit. If the fuse has the ability to carry more current than originally designed, the wires will heat up before the fuse melts, and this could start a fire.