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 41
are with weather proof wire? Ans. It is less inflammable and less subject to softeningunder heat. Oues. Where should slow burning weather proof wirebe used? Ans. In places where the wires are to be run exposed andwhere moisture resisting quality is desired, also where at thesame time it is… … Fig. 812.—Armoured submarine cable. This type of cable is insulated with a rubber comporundcontaining not less than 30% of pure Para rubber. The following specifications have beenadapted by various telegraph companies and the United States Government for general use. No. of Gauge of No. of Gauge of…
Electrical engineering
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