Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 623
incircuit. The single Type A Arrester is suitable for circuits of any number ofseries arc lamps not exceeding seventy-nve. For circuits of higher voltage,a double arrester known as the type l,AA is made by mounting twoarresters on one base and connecting them in series. One arrester shouldbe… … Connections for Type A Arresters. Fig. 16. Type B IncandescentStation Arrester 300 Volts or Less. The construction of the Type B Arrester is similar to that of the TypeA, but its magnet windings are excited only when a discharge takes placeacross the air-gap. A supplementary gap is provided in the…
Electrical engineering
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