Low-fat dairy foods linked to Parkinson's risk, study suggests New research links three servings of low-fat dairy a day with a slight increase in Parkinson's disease, but more research is needed to better understand the findings. iStockphoto. Though you might think eating low-fat dairy foods is a healthy move, new research suggests the habit is tied to a slight rise in the risk of .
National Standards. Communications wiring standards are defined by a number of national and international agencies, including the Electrical Industries Association (EIA), the Telecommunications Industry Association (TIA), the Institute of Electrical and Electronics Engineers (IEEE) and the National Electrical Manufacturer's Association (NEMA).
For this reason it is commonly specified that, at least for cables containing small numbers of pairs, the twist rates must differ. In contrast to shielded or foiled twisted pair (typically F/UTP or S/FTP cable shielding), UTP (unshielded twisted pair) cable is not surrounded by any shielding.