'HFC Designer I & II Certification Practice Exam 2025 – Your Complete All-in-One Guide to Success!'

Question: 1 / 400

Which of the following is a challenge that can be encountered when installing fiber-optic cables over coaxial cables?

Too much tension on the cables

Interference from electromagnetic signals

Expansion loops in the coaxial cables

The challenge of expansion loops in coaxial cables occurs due to the thermal expansion and contraction of the materials used in the installation. When fiber-optic cables are installed over coaxial cables, it's important to account for the additional weight and the properties of the coaxial cable. Coaxial cables can experience changes in length with temperature fluctuations, and if they are not properly secured or allowed to expand and contract, it can lead to stress on the fiber optics and potential damage.

Addressing this challenge requires careful planning of the cable installation, taking into consideration how to manage the expansion loops. This is crucial to avoid creating too much tension that could be detrimental over time. A well-implemented installation strategy will incorporate sufficient slack and the proper support for both fiber and coaxial cables to mitigate this issue.

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