Electrical insulation. A nonconducting material that provides electric isolation of two parts at different voltages. To accomplish this, an insulator must meet two primary requirements: it must have an electrical resistivity and a dielectric strength sufficiently high for the given application. The secondary requirements relate to thermal and ...
Raymond, Illinois. Raymond is a small town in Montgomery County, Illinois, United States. The population was 1,006 at the 2010 census.
Harwood Heights, Illinois. Harwood Heights is a village in Cook County, Illinois, United States. The population was 8,612 at the 2010 census. The current mayor is Arlene Jezierny. She is the second woman to serve as mayor in Harwood Heights, the first being Margaret Fuller. Contents.