Fuses


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Fuses
10106071010604 FusesFuses are relatively inexpensive protection devices connected into circuits to open the circuit and deenergize the apparatus to prevent or limit damage due to an overload or short circuit. Fuses are used to protect the electric system or source from interruption or damage when a short circuit or overload occurs on a circuit beyond the fuse. A fuse is an intentionally weakened spot in an electric circuit. It utilizes an element made of silver, tin, lead, copper, or an alloy such as tin-lead, which will melt at a predetermined current maintained for a predetermined length of time. When the current through such a metal becomes excessive, the resistance offered by the metal t…
Citation
Thomas M. Shoemaker; James E. Mack: Lineman's and Cableman's Handbook, Twelfth Edition. Fuses, Chapter (McGraw-Hill Professional, 2012), AccessEngineering Export