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 171
ay not be more than ten lampson any one circuit. Oues. How are the mains secured to the knobs? Ans. By taking a turn around the intermediate knobs anda dead end hitch at the end knobs, or they may be hitched ateach knob. The mains may be secured also by use of a tie wire. WIRING OF BUILDINGS 859… … Fig. 1,006.—Wiring for heating appliances in two story house; plan of basement. Oues. What precaution should be taken in makingjoints? Ans. All wires joined together should be soldered as thisinsures good electrical contact. Unsoldered wires are both unreliable and dangerous, since they willcorrode…
Electrical engineering
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