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Ensuring proper pulling tension during cable installations is crucial primarily to prevent damage to the cable's structural integrity. When cables are pulled with too much tension, it can lead to elongation, deformation, or even breakage of the cables. This damage affects the cable's ability to function correctly, potentially causing loss of signal quality, increased attenuation, and ultimately leading to failure of the network or communication systems that rely on these cables.

Proper tension also ensures that the cable retains its intended specifications and performance characteristics. Many cable types are designed with specific tensile strength limitations; exceeding these can compromise their mechanical and electrical performance. Therefore, maintaining the right level of pulling tension is essential for the long-term reliability and effectiveness of the installed cables. Focusing on this aspect is fundamental to any installation process to maintain the integrity of the cabling system.