American National Standard for Electric Lamps—Four-Pin, Prefocus, Base-Down Type
Status: ActiveDocument ID: 100521
ANSI C78.1402-2004 (S2018) [BUY]
Establishes the dimensions essential to the interchangeability of four-pin, prefocus projection lamps for base-down operation of T10 and T12 bulb sizes.
Published Date: Dec.11.2018
Number of pages: 7
Document ID: 100521