DB cat5e and the protectors that Ed provided a link for would not have been created if fiber was the only answer..
they where created because there was a demand for them the manufacturers are in business to make products they can sell just because its on the market doesn't mean its the proper solutin
we are in business to give the customer the best solution . Ethernet between bldg on copper is not a good practice and exposes the LAN to risk
crimp tools and 8p8c plugs are sold at every distributor and lots of cables are terminated that way but that doesn't make it a good practice the question could certainly be asked "if crimping plugs on the cable directly is bad why are plugs and crimp tools sold ? "
