International Library of Technology · Scranton, International Textbook Co. · leaf 367
and switches. For this reason, also, a simpletwo-wire system is illustrated. G is the generator supply-ing current to the lamp load L. A is the battery and B anumber of cells at one end, from which connections arebrought out to terminals c. A sliding contact d makes con-nection between contacts c… … c A 3 0 t)Lo°rf Fig. 71. cells B are called end cells. Fis a single-pole double-throwswitch, by means of which the battery may be connectedacross G in series with the booster or directly across theline. In the figure, the switch is thrown up, as indicatedby the dotted line, and the battery is being…
Electrical engineering
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