Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 201
uses.—All circuits subject to abnormal increase of currentwhich might overheat the system, should be protected by fuseswhich will melt and thus open the circuit. A fuse is simplya strip of fusible metal, often consisting of lead with a smallpercentage of tin, connected in series in the circuit.… … ^igs. 468 to 470.—D & W, enclosed cartridge fuses. Fig. 468, type for 3 to 60 amperes;fig. 469, type for 61 to 100 amperes; fig. 470, type for 101 to 1,000 atr peres. be overloaded, not because the metal of the terminals is not of sufficientcross section to carry the current, but because of…
Electrical engineering
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