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​American National Standard for Electric Lamps—Four-Pin, Prefocus, Base-Down Type


Status: Active
Document 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

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