In aerial installations, why do cable manufacturers recommend forming expansion loops in hardline coaxial cable?

Forming expansion loops in hardline coaxial cable during aerial installations is primarily intended to allow for movement when the cable is lashed to the strand. These loops provide the necessary flexibility that accommodates thermal expansion and contraction of the cable due to temperature fluctuations. As the temperature changes, materials expand and shrink, and without the loops, the strain on the cable could lead to excessive tension or even breakage.

Additionally, when the cable is exposed to wind or other environmental factors, it might experience dynamic movement, and the expansion loops act as a cushion, enabling the cable to adjust and move without imposing rigid stress on the connections or the cable itself. This ensures that the cable remains secure while being able to flex with environmental conditions, ultimately promoting integrity in the installation.