In fact, there are two methods for aerial optical cables laying: one is "fixed-pulley traction method", including "manual traction method" and "mechanical traction method"; the other is "cable tray moving and releasing method". Deploying fiber above ground on poles or towers removes the need for underground digging and is particularly useful when the ground is uneven, rocky or both. The messenger is normally a galvanized 7-wire messenger, 7x 0. 12 mm or more, depending on the dimension. s and, if necessary, lineman's rubber gloves. Use the leather gloves when climbing or descending a pole, and w en working with sharp instruments or materials. A body belt and safety strap for the bucket or platform must be used when. 316 is used to provide the best insurance against failure under the most severe atmospheric conditions including chlorides and sulfides 5% to length for Cable Bundles up to 1. diameter 10% to length for Cable Bundles ranging from 1.
[PDF Version]