ANSI C37.121

for Switchgear— Unit Substations— Requirements

Org/Number ID	ANSI C37.121
Alternate Organization ID / number	IEEE
Version(s)	1989
Bin #	0496
Comments
Status	Present
Record last updated	June 19, 2022, 8:51 pm

This is not the most recent edition of this standard.

Newer edition note: 1995