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 104
the wires be properly protected. Figure 48 shows short bushings arranged in iron pipe.Figure 49 shows a case where there is an offset in the wall.Cases of this kind very often occur. Sometimes the floor canbe taken up and an iron conduit, properly bent, put in place; orthe wires placed on… … Figure 47 Figure 48 Figure 49 the floor. The wires on top of the floor must be then pro-tected by a suitable boxing or at least the same dimensions asgiven for boxing on side walls. e. Must be kept free from contact with gas, water or othermetallic piping, or any other conductors or conducting ma-…
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
