Likewise, mark every cable with a location it's going to. You will save lots of time making the correct connections, recording test data and keeping records for moves and changes. Cat 5 should be installed on special hooks, bridle rings or cable trays that limit its bend radius to preserve the Cat 5 performance. Penetrations of firewalls require firestopping to restore fire retardancy. You also have to keep the wire away from sources of interference, like fluorescent lights and power cables.
Power cables are also a safety hazard.
Uncle Ted's Guide to Communications Wiring is part of the Wire U Online Training Program. If you are taking the course, return to the lesson plan.