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Below is a list of NEMA enclosure types; these types are further defined in NEMA 250- Enclosures for Electrical Equipment. Each type specifies characteristics of an enclosure, but not, for example, a specific enclosure size. Note that higher numbers do not include the lower-numbered tests. For example, types 3, 4 and 6 are intended for outdoor ...
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.
The new design had parallel blades, a more compact design and was easier to manufacture. This design was improved once again in 1915, introducing a polarized plug under the U.S. patent 1,180,648. The flat blade plug which in subsequent years evolved to become NEMA 1-15 was born.
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JSC Georgian State Electrosystem was established in 2002 [4] through the merger of Electrodispetcherizatsia Ltd. and JSC Elektrogadatsema. Since December 2002, GSE management has been carried out by the Irish company ESB International which had acquired the company 5-year management right in the tender “Wholesale Electricity Market Support Project” announced by the World Bank.
The National Electrical Code, 2008 edition. The National Electrical Code (NEC), or NFPA 70, is a regionally adoptable standard for the safe installation of electrical wiring and equipment in the United States. It is part of the National Fire Code series published by the National Fire Protection Association (NFPA), a private trade association. [1]
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Originally formed as a voluntary organization in 1968 by the electricity industry and called the National Electric Reliability Council, the name was changed to include "North American" in place of "National" in 1981 in recognition of Canada's participation and the broader scope of NERC's footprint.