Museum of Plugs and Sockets logo, small U.S. manufacturers
of plugs and sockets
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Note that logos and information are restricted to company names found on material that is shown in the museum. Manufacturers are listed in alphabetical order.
Sources: catalogs and internet sites of the given companies and Wikipedia. Information on Monowatt and GE has been given by Chris Hunter, Museum of Innovation and Science, Schenectady, NY.
shown logos are registered trademarks of given companies or brands.

 

Logo of Arrow Electric Manufacturing Company

Arrow Electrical Wiring Devices. Several companies have played a role in the history of Arrow. In 1890 Gerald W. Hart and George Hegeman founded the Hart and Hegeman Manufacturing Co. They started to produce rotary snap switches for electric lamps. In 1905 Charles G. Perkins founded the Arrow Electric Manufacturing Co. In 1928 the two companies merged and create the Arrow-Hart and Hegeman Co. In 1981 Arrow-Hart is acquired by Cooper Industries.
Logo of Cooper Wiring Devices

Cooper Industries. Charles and Elias Cooper opened in 1833 an iron foundry, named C&G Cooper Co. They switched to manufacturing steam engines and later to gas engine technology. After World War II they focussed, among others, on electrical products. After acquiring Arrow-Hart in 1981 and Eagle Electric in 2000, the Cooper Wiring Devices was created. In 2012 Cooper was acquired by the Eaton Corporation, a multinational power management company.
Logo of Eagle (1)  Logo of Eagle (2)

Eagle Electric Manufacturing Company. Founded in 1920 by Louis and Philip Ludwig and based in New York. Louis Ludwig introduced the slogan "Eagle Electric-Perfection is not an accident". In 1986 Eagle was the first to introduce sockets that were protected against voltage spikes by means of a patented surge protector. In 2000 Eagle Electric was purchased by Cooper Industries.
Togo of General Electric (USA)

General Electric Company. In 1892 the Edison General Electric Company and the competitive Thomas Houston Company combined business as General Electric Company. It started with incandescent lighting. GE is now a large multinational conglomerate corporation. Manufacturing of domestic plugs and sockets ended in the second half of the 20st century. Power cords for modern GE appliances may have a GE logo, but are made by other companies..
Note that US General Electric Co is not linked to British General Electric Co.
Logo of Hubbell

Hubbell Incorporated. In 1888 Harvey Hubbell II opened a manufacturing facility in Bridgeport, Connecticut. Hubbell was the inventor of a pull-chain socket (patented in 1896) and a separable attachment plug (1903). The iconic type with two, parallel positioned flat blades was patented in 1912. Hubbell is still one of the prominent manufacturers of, among others, plugs and sockets. Hubbell has acquired many companies, among others Bryant Electric, a still existing brand name.
Logo of Leviton (1)  Logo of Leviton (2)

Leviton Manufacturing Company. Founded in 1906 by Isodor Leviton in Manhattan. After starting production of Edison lamp sockets, the company expanded the range to wiring devices,
lighting controls and other electrical products. It is the largest privately held manufacturer of electrical equipment in North America.
Logo of Monowatt

Monowatt Electric Corporation. When and by whom Monowatt has been founded is unknown. A1925 patent assigned to Monowatt Electric Import Company Inc of New York for Christmas tree lighting. The name Monowatt refers to the first, one Watt, lamp that was imported. In 1926 the decorative (Christmas) lighting division merged into NOMA. In 1929 General Electric bought the wiring division. George Benander, engineer and inventor was a key figure; more than 60 of his patents are assigned to Monowatt and General Electric. Monowatt electric accessories had a strong position in serving the chain store market. In 1951 GE brought subsidiary companies under direct control and the trade name Monowatt disappeared gradually.
Logo of NOMA

NOMA Electric Company. NOMA stood for National Outfit Manufacturer's Association, a trade organization founded in 1925. Thirteen companies joined the association. The aim was reducing marketing  and purchasing costs to all members. Most of them were active in lighting and electric accessories production. One of them was Monowatt. After a successful year, the member companies merged into one company: NOMA Electric Corporation. Once it was the largest manufacturer of holiday (Christmas) lighting, but had close down in 1967. The trademark NOMA is now held by Inliten of Glenville, IL.
Logo of Pass & Seymour

Pass & Seymour. James Pass, a ceramic technologist, developed in 1888 at Onondaga Pottery a vitreous type of tableware of unusual strength, known as American Type China. Albert Seymour, superintendent at Syracuse's lighting company was looking for a replacement of wood, that was mostly used as insulator. In 1890 Pass and Seymour formed a partnership for the manufacture of electrical porcelain. In 1900, Pass & Seymour Inc was established in Syracuse, New York (source). The French company Legrand acquired P&S in 1984.
Logo of Wood Industries

Woods Industries. The U.S. company was founded in 1929. In 1950 a branch of Woods Industries was established in Canada. Both companies now operate as subsidiaries of Coleman Cable since 2007. Products made by Woods are appliance and extension cords, outlet power strips and a small range of plugs and connectors. The adapter shown in the museum has been bought in Canada.


Also non-US manufacturers sell NEMA type plugs in the USA and Canada.
The museum has products of companies listed below.
Logo of Chin Cheng Wire Materials, Taiwan

Ching Cheng Wire Material. Established in 1980 in Taichung City, Taiwan.*
Tumbler Corporation (in 1988 renamed to Linvox) is a subsidiary of Ching Cheng. It is responsible for distribution, service and promotion of Ching Cheng plugs and appliance cords in the U.S.
Logo I-Sheng

I-Sheng Electric Wire & Cable Co. Established in 1973 in Taoyuan City, Taiwan.*
Acquired UL certification in 1999 that allowed export of power supply cables to the US.
Logo Rich Bay

Rich Bay Co.. Established 1986 in New Taipei City,Taiwan.*
Specialized in various types of IEC 60320 appliance cords with NEMA type wall plugs.
Logo of WE, China

W E, Chinese company. Full name is unknown and therefore details are missing.


* main production facilities are based in Mainland China (PRC).
  Plugs of these companies are also shown on the IEC 60320 page.

 


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