NEMA Standard ST 20-2014 Dry type transformers for general applications
Publication Year
2014
Document Status
Withdrawn
Abstract
Applies to single-phase and polyphase dry type transformers (including both autotransformers and noncurrent limiting reactors) for supplying energy to power, heating, and lighting circuits.
Document History
Superseded by NEMA ST 20-2021.
Publisher Information
National Electrical Manufacturers Association
The National Electrical Manufacturers Association (NEMA) represents electrical equipment and medical imaging manufacturers in North America, providing a forum for the development of technical standards, advocacy of industry policies on legislative and regulatory matters, and dissemination of industry data.