NEMA, or the National Electrical Manufacturers Association, is a trade organization in the United States that represents manufacturers of electrical equipment and supplies. Founded in 1926, NEMA develops industry standards, promotes innovation, and advocates for policies that benefit its members and the electrical industry as a whole. The organization plays a crucial role in ensuring safety and efficiency in electrical products, which include items like circuit breakers, transformers, and lighting fixtures. By establishing guidelines and best practices, NEMA helps manufacturers produce reliable and high-quality electrical equipment that meets regulatory requirements.