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 74
762 HAWKINS ELECTRICITY EXAMPLE.—Ninety-one 16 candle power lamps consuming 3.1 wattsper candle power at a pressure of 110 volts, will require a current of 16X3.1X91 ,, j-rpj -=41 amperes. The distance from the entrance cut out to the main or feeder switchis 200 feet, then for a 2 per cent, drop,… … ?IG. 841.—Three wire circuit panel board with connections for 12 mains. The wires shownin solid lines as A, B, C, etc., are connected between the neutral wire and the negative wireof the feeder, and those shown by dotted lines, as G, H, I, etc., are connected between theneutral wire and the…
Electrical engineering
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