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 80
to accelerate. If the starting switch do nothave to carry the full load current and can be short circuited by another switch, a start-ing switch of smaller capacity equivalent to 50 per cent of running current of the machinecan be used. The switch is of the single pole, single throw, rear… … Ques. What is the objection to the metal fuse switch? Ans. The powder is set flying by the explosion of the arc, 1,600 HAWKIXS ELECTRICITY which, as it settles, gets into the bearings of any machine thatmay be in the vicinity. Ques. What is a horn break switch? Ans. One provided with horn shaped…
Electrical engineering
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