ANSI C57.12.20

Overhead-Type Distribution Transformers 500 kVA and Smaller; High Voltage, 34 500 V and Below; Low Voltage, 7970/13 800Y V and Below

Org/Number IDANSI C57.12.20
Alternate Organization ID / numberIEEE
Version(s)1974; 1981; 1988
Bin #0498
Comments
StatusPresent
Record last updatedJune 19, 2022, 9:24 pm

This is not the most recent edition of this standard.

Newer edition note: 2017