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American National Standard for Electric Lamps—Dimensions for Projection Lamps—Double-Contact, Medium Ring (Special B), Base-up Type


Status: Active
Document ID: 100522
ANSI C78.1401-2004 (R2009, R2016)   [BUY]

This Standard establishes the dimensions essential to the interchangeability of lamps of the double-contact, medium ring (Special B), base-up type. It is not intended to prescribe either operating characteristics or details of design, such as the shape of the ventilation ports or the method of attachment of the prefocus ring to the base.


Published Date: Mar.2.2016
Number of pages: 8
Document ID: 100522

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