Main Page | See live article | Alphabetical index The U.S. National Electrical Manufacturers Association was founded in 1926, when the Associated Manufacturers of Electrical Supplies and the Electric Power Club merged. Ir is headquartered in Rosslyn, Virginia, and sets many common standards used in electrical products among its over 400 memebers. Visit NEMA website. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.