Census of Electrical Industries: 1902, 1907, 1912, 1917, 1922, 1927

Census of Electrical Industries: 1902, 1907, 1912, 1917, 1922, 1927

4.11 - 1251 ratings - Source

Ground wire was placed at the top of the line structure so that it had a shade angle of 45 degrees to the outside conductors. It might be a f-inch stranded galvanized plow steel or bimetallic wire. The ideal construction comprised ground wires atanbsp;...


Title:Census of Electrical Industries: 1902, 1907, 1912, 1917, 1922, 1927
Author:United States. Bureau of the Census, Frank Lin Sanford
Publisher: - 1915
ISBN-13:

Continue

You Must CONTINUE and create a free account to access unlimited downloads & streaming