Which condition can negatively impact fiber-optic cable transfers during installation?

The correct answer encompasses all the listed conditions—excessive moisture in the air, highly variable temperatures, and insufficient cable bend radius—because each of these factors can pose significant challenges during the installation of fiber-optic cables.

Excessive moisture in the air can lead to corrosion and other damage to connector ends and cable sheaths, ultimately affecting signal integrity and performance. Fiber-optic cables are designed to operate in specific environmental conditions, and excessive humidity can hinder installation and long-term reliability.

Highly variable temperatures can cause changes in the material properties of the fiber-optic cables. For instance, extreme temperatures can lead to expansion and contraction of the cabling materials, resulting in stress and potential micro-bending, which can negatively impact performance.

Insufficient cable bend radius is a critical installation guideline. Fiber-optic cables have a minimum bend radius requirement to avoid damaging the fibers within. If the cables are bent beyond this radius, it can cause increased signal loss or even breakage, severely compromising the functionality of the system.

Recognizing that all these conditions can adversely affect fiber-optic cable transfers emphasizes the importance of adhering to installation guidelines and considering environmental conditions during the planning and execution of the installation process.