Sure, if everything is installed properly with proper cables you'll be fine. But if there is any damage the cable could get hot. With fibre you don't need to sp

Sure, if everything is installed properly with proper cables you'll be fine. But if there is any damage the cable could get hot. With fibre you don't need to spend a single thought on fire safety. In my experience, if you go anywhere near max length on Cat6(a) and need SFP+ modules, those modules will get insanely hot and probably start dropping packets.