What is the typical slack cable length used in an aerial installation?

In aerial installations, the typical slack cable length is often in the range of 15 to 25 meters. This length provides sufficient slack to accommodate factors such as temperature changes, natural settling of the installation, and installation challenges that may arise over time. Having this amount of slack helps to ensure that the fiber is not under tension and reduces the risk of damage due to environmental factors or physical stress on the cables.

The 15 to 25 meters range is a practical standard that balances the need for flexibility and access for maintenance with the constraints of cable management and installation practices. It allows installers to create neat, organized runs while maintaining functionality and reliability over the lifespan of the fiber installation. In contrast, excessively short or long slack lengths can lead to issues with accessibility or unduly strain the cables.