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NEMA ST 20

Dry-Type Transformers for General Applications

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Organization: NEMA
Publication Date: 1 January 1992
Status: inactive
Page Count: 75

Document History

ST 20
January 1, 2021
Dry-Type Transformers for General Applications
This technical publication applies to single-phase and polyphase dry-type transformers (including autotransformers and non-current-limiting reactors) for supplying energy to power, heating, and...
NEMA ST 20
January 1, 2014
Dry-Type Transformers for General Applications
This standards publication applies to single-phase and polyphase dry-type transformers (including autotransformers and non-current-limiting reactors) for supplying energy to power, heating, and...
NEMA ST 20
January 1, 1992
Dry-Type Transformers for General Applications
A description is not available for this item.
NEMA ST 20
January 1, 1992
Dry-Type Transformers for General Applications
This Standards Publication applies to single-phase and polyphase dry-type transformers (including autotransformers and non-current-limiting reactors) for supplying energy to power, heating, and...
NEMA ST 20
January 1, 1986
DRY-TYPE TRANSFORMERS FOR GENERAL APPLICATIONS
A description is not available for this item.

References

This document references:
IEEE C57.96 - Guide for Loading Dry-Type Distribution and Power Transformers
Published by IEEE on December 11, 2013
This guide covers general recommendations for the loading of dry-type distribution and power transformers installed in ventilated, non-ventilated, and sealed type enclosures. Purpose This document...
This document references:
IEEE C57.94 - Recommended Practice for Installation, Application, Operation, and Maintenance of Dry-Type Distribution and Power Transformers
Published by IEEE on December 5, 2015
This recommended practice covers general recommendations for the application, installation, operation, and maintenance of all single and polyphase ventilated, non-ventilated, and sealed dry-type...
This document references:
IEEE C2 (NESC) - National Electrical Safety Code
Published by IEEE on June 8, 2018
A description is not available for this item.
This document references:
ANSI/NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum)
Published by NEMA on January 1, 2020
meThis Standard covers enclosures for electrical equipment rated not more than 1000 Volts and intended to be installed and used as follows: a. enclosures for indoor locations, Types 1, 2, 5, 12, 12K,...
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