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 109
jury. While this form of wiring has not the ad-vantage of the conduit system—namely, that the wires can bewithdrawn and new wires inserted without disturbing the build-ing in any way whatever—yet it has many of the advantages ofthe flexible steel conduit, and it has some additional advantagesof its… … Figs. 917 to 920.—Greenfield flexible conduit tools. Special tools are necessary for installingthis type of conduit. Fig. 917, universal reamer; fig. 91S, bushing tool; fig. 919, cablearmour cutter; fig. 920. vice for holding conduit. To remove cable armours, clamp theconductor firmly in the armour…
Electrical engineering
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