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.
Edmunds County, South Dakota. Edmunds County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 4,071. Its county seat is Ipswich. The county was established in 1873 and organized in 1883. It is named for Newton Edmunds, second Governor of Dakota Territory.