Standards Publication

American National Standard for Electric Lamps—A, G, PS, and Similar Shapes with E26 Medium Screw Bases

ANSI C78.20-2022 | Status: Active | ID: 100493

This standard sets forth physical and electrical characteristics of the group of incandescent lamps that have A, G, PS, and similar bulb shapes with E26 single and double contact medium screw bases including the reduced wattage versions.  Only clear, inside frost, frost-equivalent, and white bulb finishes are acknowledged.  Excluded from this standard are tungsten-halogen and projection lamps.
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Published Date: December 22, 2022

Number of pages: 54

Staff Contact: Michael Erbesfeld

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Keywords

LIGHTING C78 C-78 C.78 ANSI C78.20-2022 (R2007, R2015) C78.20 AMERICAN NATIONAL STANDARD FOR ELECTRIC LAMPS—A, G, PS, AND SIMILAR SHAPES WITH E26 MEDIUM SCREW BASES