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), 1833-1928 · New York : T. Audel & Co. · leaf 70
es. How are party wires usually run? Ans. On poles from street to street. Ques. What protecting devices are necessary? Ans. Lightning arresters. THE TELEPHONE 2,163 Ques. Where are these placed ? Ans. In the cellar. Ques. Describe the line connections. Ans. The two lines are connected to the end of… … Fig. 2,975.—View of lightning arrester showing the manner in which overhead telephone wiresterminate at a cellar window. The two wires from central are connected to ends of fusesmounted on a porcelain block. Between these, and connected with each is the arresterproper, which consists of carbon…
Electrical engineering
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