. American telephone practice . help it in passing trees and other obstructions. TOLE LINE CONSTRUCTION. 99 When stringing wires on other than the top cross-arm the samemethod is followed, but as the running board passes each pole fiveof the wires are unsnapped and passed around the pole, and againattached to the running board after it has passed the pole. Anotherway, which prevents the unsnapping of the wires from the running FIG. 584.—McINTYRE SLEEVE. board, is to string on two cross-arms at once, five of the wires beingutilized on one arm and five on the arm below it. After the wiresare all
. American telephone practice . help it in passing trees and other obstructions. TOLE LINE CONSTRUCTION. 99 When stringing wires on other than the top cross-arm the samemethod is followed, but as the running board passes each pole fiveof the wires are unsnapped and passed around the pole, and againattached to the running board after it has passed the pole. Anotherway, which prevents the unsnapping of the wires from the running FIG. 584.—McINTYRE SLEEVE. board, is to string on two cross-arms at once, five of the wires beingutilized on one arm and five on the arm below it. After the wiresare all in place each one is separately pulled up to the proper tension,and tied to the insulator at each pole. After the wires have been dead-ended at one end, experienced line-men are set to work pulling up the slack, attention being given togetting the same tension in all of the wires. This is quite an art,and it is important that it be done properly. The force is appliedby attaching a wire clamp, commonly known as a come-along,. 733
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