NEMA ST 1 88th Edition, 1994
Specialty Transformers (Except General-Purpose Type)
Includes all amendments and changes through Reaffirmation Notice , 1997
Additional Comments: W/D 11/29/2007 NO S/S
Published By:National Electrical Manufacturers Association (NEMA)
This Standards Publication covers control transformers, industrial control transformers, Class 2 transformers, signalling transformers, ignition transformers, and luminous-tube transformers. The publication contains service conditions, tests, classifications, performance characteristics, and construction data for the transformers.