. American telephone practice . shown inFig. 567, may be used. To properly anchor guy wires often requires a good deal of inge-nuity, and it is hard to lay down any definite rule, as they frequentlyhave to be planned to meet the existing conditions. One of themost common methods, and a very satisfactory one, is shown in The anchor log should correspond in size to the depth of theexcavation in accordance with the following table: Anchor Log. Depth of Excavation. Length. Diameter. 4 feet 4 feet 6 inches 4 15■; 17 (5 6 8 12 ■ 3K \l 9 7 POLE LINE CONSTRUCTION. 793 When an excessive strain
. American telephone practice . shown inFig. 567, may be used. To properly anchor guy wires often requires a good deal of inge-nuity, and it is hard to lay down any definite rule, as they frequentlyhave to be planned to meet the existing conditions. One of themost common methods, and a very satisfactory one, is shown in The anchor log should correspond in size to the depth of theexcavation in accordance with the following table: Anchor Log. Depth of Excavation. Length. Diameter. 4 feet 4 feet 6 inches 4 15■; 17 (5 6 8 12 ■ 3K \l 9 7 POLE LINE CONSTRUCTION. 793 When an excessive strain is to be met, an anchor of several logsbolted together crosswise may be used. The anchor rod shouldbe of wrought iron, from 6 to 10 feet long and from f to i^ inchesin diameter, having an eye forged in one end and a heavy screwthread and nut on the other. The rod should pass directly throughthe anchor log and be secured by the nut, a heavy iron washer beingplaced between the log and the nut. All iron so used should be gal-. FIG. 569.—GUY CLAMP. vanized. In extreme cases the log should be buried in a mass ofconcrete. A common way of anchoring a guy wire is to a guy-stub, which isusually formed of the stub end of a pole from 8 to 12 feet long, set
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