True or False: Fiber optic cables do not allow for expansion and contraction during temperature changes, excluding freezing.

The statement is false because fiber optic cables are designed with materials that can accommodate thermal expansion and contraction that occurs with temperature changes. These cables are typically constructed using glass or plastic fibers, both of which have different coefficients of thermal expansion. manufacturers often include considerations in their design, such as the use of protective jackets and flexible materials, to ensure that the cables can handle the stresses associated with temperature fluctuations.

Additionally, while fibers are rigid, their installations—such as in conduits or trays—often permit some degree of movement, meaning they can adapt to external temperature changes. This flexibility is essential, as it helps to prevent damage to the fibers themselves, ensuring that they maintain signal integrity and operational performance even when subjected to varying environmental conditions.