International Library of Technology · Scranton, International Textbook Co. · leaf 206
pole atthe point of connection to thefeeder. Fig. 20 shows a lineswitch for this purpose. It ismounted on the pole and thelower terminal is connected tothe trolley. When the switchis opened, the blade can bethrown all the way down andthe door closed. All the ex-posed parts are then dead andthe… … Fig. 20. 47. Fig. 21 is a plan of feeder wiring that approachesmore nearly the trend of present practice than any of theother plans so far shown. It approaches the condition 50 ELECTRIC RAILWAYS. 21 where the trolley wire is divided up into several sections,each of which is provided with its own…
Electrical engineering
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