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 126
of the insulators are completed before the stringing of theline is begun. It is particularly essential that the pull on polesof a given line be accurately calculated, and that each one beguyed accordingly before the line is strung, in order to avoidthe danger of an undue strain upon the wires in… … Figs. 953 and 9.54.—Pay out reels. Fig. 953, type used for telephone or telegraph work:954, type used for electric light work. Oues. Describe how the wires are strung. Ans. In stringing the lines, either one or the full number ofwires may be put up at the same time. When one line only isto be…
Electrical engineering
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