Any advise with Low voltage wiring for data/audio/video/security/ and data racks in commerical and residential with support, grounding, and any seperation. This area of NEC I am not familiar with in the new shop i work at. i do see some things that concern me we arent doing during install is grounding. I just want to be sure what I am doing is Code and especially not ruin any expemsive data equipments.