International Library of Technology · Scranton, International Textbook Co. · leaf 230
Fig. 18. from the power house. These section insulators are com-monly known as line circuit-breakers or simply linebreakers. One form of line breaker is shown in Fig. 18. … Fig. 19. The direct line of the trolley wire is unbroken, allowing thetrolley wheel to run smoothly across the insulator. Thespan wire is in one piece between the poles, and is slipped 12 ELECTRIC RAILWAYS. under the hooks a, a and over the notch at b. A doublestrain insulator /, i and bolts c, c…
Electrical engineering
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