ANSI C78.1402:2004(S2018)
Current
Current
The latest, up-to-date edition.
American National Standard for Electric Lamps—Four-Pin, Prefocus, Base-Down Type
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
11-12-2018
Establishes the dimensions essential to the interchangeability of four-pin, prefocus projection lamps for base-down operation of T10 and T12 bulb sizes.
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