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 152
pipe leaves the factory, so that theyonly need to be joined together to form a continuous line of 840 HAWKINS ELECTRICITY undergroimd conduit with conductors in place. The arrange-ment of wires and the details of the Edison tube system areshovm. in figs. 987 to 989. Underground Cables.—Electric… … PRESSURE WIRE PRINCIPALCONDUaOR PRESSURE WIRE 1WSULM1N5COMPOUND Fig. 987.—Cross section of Edison feeder tube. This runs from the power station to thecenters of distribution, and contains two principal conductors and a smaller conductor toserve as a neutral wire, and also three insulated cables of…
Electrical engineering
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