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 79
G 767 Porcelain knobs should preferably be of the two piece type (fig. 863)in which the wire is carried between the upper and lower portions ratherthan being tied to a one piece knob with a tie wire as in fig. 860.Various porcelain knobs and cleats are shown in figs. 860 to 866. Ques. What are the… … mmmmmmp Pros. 845 to 847.—Splicing. Figs. 845 and 846, making a wire splice, and the twist completed;fig. 847, a wrapped joint on large wire. Splicing of wires or joining a branch to a mainwire should always be made by twisting the wires together or twisting one wire around theother, so that the…
Electrical engineering
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