This specification covers the general electrical, dimensional, and mechanical characteristics of the single phase, 60 Hertz, mineral oil filled, self cooled, PADMOUNT type distribution transformer, rated 25 kVA through 167 kVA. All characteristics, definitions, terminology, voltage designations and tests, except as otherwise specified herein, shall be in accordance with the latest revisions of American National Standards Institute (ANSI) Standards C57.12.25, C57.12.70, C57.12.80; American Society of Testing and Materials (ASTM) Standard D877; Institute of Electrical and Electronic Engineers (IEEE) Standards ANSI/IEEE Standard 462 (ANSI C57.12.00), ANSI/IEEE Standard 386 (ANSI C119.2) and ANSI/IEEE Standard 262 (ANSI C57.12.90); and National Electrical Manufacturers Association (NEMA) Standards SG-P1/TR-P8 and NEMA 107. The order of precedence for conflicting requirements shall be this specification, ANSI Standards, IEEE Standards, ASTM Standards, NEMA Standards, and the USDA Rural Development Utilities Programs (RUS) list Publication 202-1.
