ANSI-C57.12.20 › Historical Revision Information
Overhead-Type Distribution Transformers 500 kVA and Smaller; High Voltage, 34 500 V and Below; Low Voltage, 7970/13 800Y V and Below
Transformers - Standard for Overhead Type Distribution Transformers, 500 Kva and Smaller
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FSC 6120 (Distribution and Power Station)
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Document Number
ANSI C57.12.20
Revision Level
2023 EDITION
Status
Current
Publication Date
Sept. 21, 2023
Page Count
54 pages