ANSI C78.21

Incandescent Lamps - PAR and R Shapes

Org/Number ID	ANSI C78.21
Alternate Organization ID / number	NEMA
Version(s)	1989; 1995
Bin #	0502
Comments
Status	Present
Record last updated	June 20, 2022, 5:15 pm

This is not the most recent edition of this standard.

Newer edition note: 2011