Historical
NECA 410-2005
Standard for Installing and Maintaining Liquid-Filled Transformers (ANSI)
This standard describes installation procedures for pad-mounted, sealed, self-cooled, compartmental, single- and three-phase liquid-filled distribution and power transformers with primary windings rated from 2400 volts to 35 kVA AC, nominal, and rated from 75 kVA through 5000 kVA, and associated accessories, designed for outdoor entrance of primary and secondary conductors, and used for supplying power, heating and lighting loads for commercial, institutional, and industrial use in nonhazardous locations.
National Electrical Contractors Association [neca]