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A low-voltage switchboard A modern electric switchboard. An electric switchboard is a piece of equipment that distributes electric power from one or more sources of supply to several smaller load circuits. It is an assembly of one or more panels, each of which contains switching devices for the protection and control of circuits fed from the ...
The National Electrical Manufacturers Association (NEMA) [5] is the largest trade association of electrical equipment manufacturers in the United States. [6] Founded in 1926, it advocates for the industry and publishes standards for electrical products. Notably, the form of US household electrical outlets and plugs is specified by NEMA.
Kellogg company logo as used from the 1920s to the 1950s. The Kellogg Switchboard and Supply Company was an American manufacturer of telecommunication equipment. Anticipating the expiration of the earliest, fundamental Bell System patents, Milo G. Kellogg, an electrical engineer, founded the company in 1897 in Chicago to produce telephone exchange equipment and telephone apparatus.
The National Electrical Manufacturers Association (NEMA) defines standards used in North America for various grades of electrical enclosures typically used in industrial applications. Each is rated to protect against personal access to hazardous parts, and additional type-dependent designated environmental conditions.
The organisation was established in 1902 as the National Electrical Manufacturers' Association before changing its name to the British Electrotechnical and Allied Manufacturers' Association in 1911. The first director was Daniel Nicol Dunlop , also chairman of the first World Power Conference (now the World Energy Council) in 1924.
Juvenile Products Manufacturers Association; Metal Building Manufacturers Association; Mineral Information Institute; National Cotton Council of America; National Defense Industrial Association; National Electrical Manufacturers Association; National Retail Federation; National Stone, Sand & Gravel Association; Plumbing Manufacturers International
The Indian electrical industry is represented by Indian Electrical and Electronics Manufacturers' Association (IEEMA), which was established in 1948, comprising all segments of electricity from source to socket i.e. generation, transmission, distribution to last mile connectivity/ usage and allied components & accessories.
Western Electric Co., Inc. was an American electrical engineering and manufacturing company that operated from 1869 to 1996. A subsidiary of the AT&T Corporation for most of its lifespan, Western Electric was the primary manufacturer, supplier, and purchasing agent for all telephone equipment for the Bell System from 1881 until 1984, when the Bell System was dismantled.