Structured wiring is combining all your communications wires into one organized cabling system run throughout your house. Home network, video, audio, security, infrared remote control & automation are some examples of what is entailed a structured wiring system.
Structured wiring is the most underrated of all the rough-ins when it comes to home building.
Usually these jobs are done by unqualified installers and create lots of problems when it comes to the finished product. There are various things to consider when running communications wire like noise and interference.
There is no worse feeling when you wire your house for speakers and the speaker sound quality is poor due to bad wiring location. Structured wiring needs to be done by a professional and not left to other trades.