February 2004
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The National Electrical Manufacturers Association (NEMA), released a CD-ROM version of MG 1-2003, Motors and Generators, fully revised for the first time since 1998, to provide more functionality and ease of use. The standard provides more than 500 pages of manufacturing and performance data related to electric motors and generators, and is designed to assist users in the proper selection and application of motors and generators. The CD contains a PDF that is fully searchable and print-enabled. It is further enhanced with a completely linked table of contents, and references to other sections within the standard are linked. Included in MG 1-2003 is a section on NEMA Premiumâ„¢ Efficiency Motors with expanded information on short-time rated machines and modifications in dimension tables and drawings. In addition, Part 5, "Classification of Degrees of Protection Provided by Enclosures for Rotating Machines," has been updated to align MG 1 with the IEC 60034-5 standard. MG 1 is revised periodically to incorporate changes in user needs, advances in technology, and shifts in economic trends, and can reportedly be applied to any product that requires converting electric energy into mechanical energy.

The National Electrical Manufacturers Association (NEMA)

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