International Library of Technology · Scranton, International Textbook Co. · leaf 470
t shownin the figure, one circuit is attached to the metal sheath-ing of hole 1 and the other to that of hole 2\ the trolleywire connects to the sheathing of hole T. ^ is a U plugwith a rubber handle; holes i, ^, and T hav€ no connectionwith one another until plug B is shoved into place; if B isput… … Fig. goes out on wire 2. If plug B should get lost, a piece ofNo. 4 B. & S. rubber-covered wire bent into a U will answer. COl^lSnECTIONS FOR LAMPS. 45. Single Lamp Circuit.—The lamps used for light-ing cars require from 100 to 110 volts across their terminals;hence, in order to operate these…
Electrical engineering
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