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 125
as much current and it should, therefore, be used asthe neutral. This arrangement will secure the full benefit ofall the copper in the old wires (which are probably much largerthan necessary) and will operate at a very small loss. Figure 68 shows a straight three-wire system changed to 122 MODERN… … Figure 67 Figure Figure 69 tems, the mains feeding the upper and lower groups being, ofcourse, properly fused where they start. In Figure 69 the cut-outs are so connected that all branchwires leaving the cut-out box at either side are of the samepolarity. This is often useful where many wires are…
Electrical engineering
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