International Library of Technology · Scranton, International Textbook Co. · leaf 169
form of starting box is used, itis necessary to see that the handle is moved back to the offposition every time the motor is shut down or the currentcut off in any way. If this is not done, and the switch isthrown in, on starting up again, with the resistance all outof the circuit, there will… … F Fig. 1424. off. They are also generally provided with an arrangementfor throwing the switch-lever back, and thus breaking thecircuit, when the motor is overloaded. Fig. 1434 shows thearrangement of an automatic box of this type, made by theGeneral Electric Co., which will serve to illustrate the…
Electrical engineering
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