Modern electrical construction; a reliable, practical guide for the beginner in electrical construction, showing the latest approved methods of installing work of all kinds according to the safety rules of the National board of fire underwriters (1905)
Horstmann, Henry C[harles], 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. J. Drake & Co. · leaf 105
adopted where wires pass closeto iron pipes, beams, etc., or, where the wires are above thepipes, as is generally the case, ample protection can frequentlybe secured by supporting the wires well with a porcelain cleatplaced as nearly above the pipe as possible. Figure 50 is a sectional view of the… … Figure 50 be bored as straight as possible; otherwise it will be difficultto pull wires through. The quantity of wire needed is alsosomewhat increased by slanting the holes. In open placeswires are generally installed on insulators as shown in Fig-ure 51. Figure 51 shows different methods employed…
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
