Tom Bishop, PE
EASA Senior Technical Support Specialist

A Summary of Key Revisions to NEMA MG 00001-2024
Although not truly one of the key revisions, this set of standards was formerly designated MG 1 by the National Electrical Manufacturers Association (NEMA) and now is designated MG 00001. NEMA is now following the standards designation methodology of the International Electrotechnical Commission (IEC) by transitioning to 5-digit standards numbering. There are six key changes to MG 00001, and each is detailed below in the sequence in which it is found in the standard.

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