Table of Contents

1. Overview
2. Normative references
3. Definitions
4. Ratings
5. Basic lightning impulse insulation levels and
   dielectric test levels
6. Tests
7. Construction
8. Storage and installation
9. Design tests for fault current capability of
   overhead distribution transformer enclosures
Annex A (informative) - Auxiliary mounting devices
Annex B (informative) - Flow chart for fault current
                        capability tests
Annex C (informative) - Bibliography

Abstract

Describes certain electrical, dimensional, and mechanical characteristics and safety features of single- and three-phase, 60 Hz, liquid-immersed, self-cooled, overhead-type distribution transformers 500 kVA and smaller, high voltages 34500 V and below and low voltages 7970/13 800Y V and below.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Institute of Electrical & Electronics Engineers
Pages
ISBN