NEMA MG 1-2014 Motors and Generators standard contains practical information concerning performance, safety, testing, construction, and manufacture of ac and dc motors and generators, assisting users in proper selection and application. Changes in this edition include encompassing small motor premium efficiency values for capacitor-start/induction-run single-phase, capacitor-start/capacitor-run single-phase, and three-phase induction machines; as well as KW equivalent efficiency ratings.