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 666
use-metal let into its lower face, which completes the short circuitwhen the current sparks across the space. The lower block rests on a metal strip that is grounded, and the uppercarbon block is held in position by a spring connected to the line. The sneak current-arrester is a small spool of fine… … Plan of Combination Pro-tector. Fig. 21. Combination protector,line-post; F, instrument post; B,German-silver spring; CC, carbonblocks ; M, mica sheet; S C, sneakcoil; P, releasing-pin ; G, ground-ing-strip ; D, ground wire. the drop of fuse is melted by the heating of the coil by a foreign…
Electrical engineering
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