An industry association which standardizes specifications for wires, cables and electrical components.
This is a trade organisation in the USA who make a significant contribution to the development of industry standards affecting the imaging community. They also develop and promote new technologies ( http://www.nema.org/).
This group has defined several categories of enclosures, usually referred to as “types.” Further, they designate certain features and capabilities each type must include. For example, among other features, a NEMA 4 enclosure must include a threaded conduit connector, external mounting provision and cover gaskets. When selecting a NEMA 4 enclosure from any manufacturer, a buyer is assured of receiving these features.
The U.S. trade association that develops standards for the electrical manufacturing industry.
Standard of wire, plug and cable specifications. See NEMA Plug & Receptical Configurations.
The National Electrical Manufacturers Association or NEMA is a U.S.-based association, which was created on September 1, 1926, when the Associated Manufacturers of Electrical Supplies and the Electric Power Club merged. It is headquartered in Rosslyn, Virginia. It sets many common standards used in electrical products among its over 400 members.