Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 677
in color scheme,or, as it is more often called, a color code. The outer wrapper ofcotton of the different wires is, with this end in view, dyed so as to beof a distinctive color. The colors by which the various pairs ofwires in a 21-pair cable are distinguished, are composed of the fol-lowing,… … FIG. 476.—METHOD OF FANNING OUT CABLES. them. Such a wire when forming part of a pair usually has a white.mate. When there are three wires associated together, as in a 63-wire cable, the third has the same code as the colored wire inthe pair, but also has a thread of red running with the other…
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