When installing Fibre Optic cable care must be taken to ensure that cable is not bent beyond a certain radius. Most people believe this is to prevent breaking of the fibre core but there is a worse scenario.
I’ve talked bit about the problems of using Category 6 copper cabling in the data centre. The sheer size and weight of the cable is a serious problem. Here are some photos showing the comparison of Category 5 and Category 6 cable bundles.