NEMA ST 20-2014
- Dry Type Transformers for General Applications
- standard by National Electrical Manufacturers Association, 2014
- Category: NEMA
$89.00
$45.00
The reinstated and revised edition of NEMA ST 20 applies to single-phase and polyphase dry-type transformers (including autotransformers and non-current-limiting reactors) for supplying energy to power, heating, and lighting circuits and designed to be installed and used in accordance with the National Electrical Code®. It covers transformers with and/or without accessories having ratings of 1.2 kV class, 0.25 kVA through 4000 kVA.
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