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 105
524 HAWKINS ELECTRICITY locations can be made when the resistance is much lower and it is worthwhile to attempt it even if the resistance be as low as 10,000 ohms. Thedifficulty of determining the balance point increases as the resistancedecreases. Oues. Describe the method of locatmg an open with… … Pig. 608.—Diagram of connections in testing with Leeds and Northrup fault finder for openwire in telegraph and other cables in which the wires are not grouped in pairs. Connectthe broken wire to 1. Select a good wire and join to 2. Connect all o:her wires andground them, by connecting to the cable…
Electrical engineering
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