Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. J. Drake & co · leaf 239
Profit Bid 220 ELECTRICAL TABLES AND DATA Figures 23, 24 and 25 will assist in illustrating themost economical manner of running wires for branchcircuits. In Figure 23 the heavy black lines denotethe mains, and at their terminals the cut-outs arelocated. It is never economical to push mains… … Figure 23.—Comparison of Materials. provided for each circuit, but for various reasonsthis is not advisable. The next best arrangement isto provide a number of cut-out centers as shown inthe figure, locating each cut-out in the center of thegroup it is to supply. In case a given number of lights…
Electrical engineering
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