Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 197
on or exam-ination; therefore, in order to avoid loss of time, it is ad\Tsable to dis-connect the wires if possible, and test each separately for conducri\-ity■wnth a batten, and galvanometer connected, as in fig. 694. If the faultbe not located in the various connections, the magnet coils should… … Fig. 694.—Method of testing dj-namo for short circuits. la the figure, ooe pole of the battel^B is placed in contact with the frame of the xn.aciui:e at a point wliicb Ins ptevioady beenwell scraped and cleaned; the other pole is connected to one of the galvanometer temnnalsas shown. The other…
Electrical engineering
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