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 37
110 or 220 volts are ordinarily used which is suitable forincandescent lighting and for constant pressure arc lamps, the lampsbeing connected singly or two in pairs. 1,556 HAWKINS ELECTRICITY Ques. Where current for both power and light areobtained from the same source how should the circuitsbe… … Fig ° 152 —Diagram of two phase three wire svstem. A wire is connected to one end ofeach phase winding as at A and B. and a third wire C. to the other end of both pha<=esas shown. Disagreeable fluctuation of the lights are always met with whenmotors are connected to a lighting circuit and the…
Electrical engineering
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