Electric transmission of energy and its transformation, subdivision, and distribution. A practical handbook (1894)
Kapp, Gisbert, 1852-1922 · New York, Van Nostrand · leaf 417
wisted up by special tongs. Fig. 133shows the sleeve and wire ends before and Fig. 134 aftertwisting. Even fairly large cables and two heavy cables 398 ELECTRIC TRANSMISSION OF ENERGY. of different sections can thus be jointed as will be seenfrom Fig. 135. The strength of the joint is very… … the lightning discharge to earth as in preventing thepower current from following the arc established by thelightning flash. The ordinary telegraphic lightningguards are therefore mostly useless for power lines and alarge number of special instruments had to be devised forthis purpose. The simplest…
Electric power production
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