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 208
^ prevents this occurring. … Fig. 703.—Alternate bar test for short circuit between sections. Where two adjacent com-mutator bars are in contact, or a coil between two segments becomes short circuited, thebar to bar test described in fig. 702 will detect the fault by the telephone receiver remainingsilent. If a short circuit…
Electrical engineering
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