The lifespan of cables should be for a certain number of years, and the cable tray, which serves as the wiring channel, should have a longer lifespan than the cables. Otherwise, replacing the cable tray is not only costly in terms of construction but also risks damaging the cables already installed within the tray. Moreover, replacing the cable tray can disrupt operations, leading to direct and indirect losses that are hard to quantify, especially for public facilities.

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