If overvoltages (short-duration rises of voltage) can occur in an installation, the design and dimensions of the electrical insulation are also determined by the magnitude of possible over-voltages and by the short-term electrical strength.
Ray, North Dakota. Ray is a city in Williams County, North Dakota, United States. The population was 592 at the 2010 census.
For the county in North Carolina, see Stanly County, North Carolina. For the county in Queensland, Australia, see County of Stanley, Queensland. Stanley County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 2,966. Its county seat is Fort Pierre. The county was created in 1873 and organized in 1890.