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About This Item

 

Full Description

ANSI C78.20-2003 (R2007, R2015) sets forth the physical and electrical characteristics of the group of incandescent lamps that have A, G, PS and similar bulb shapes with E26 medium screw bases, including the reduced-wattage versions.
 

Document History

  1. ANSI C78.20-2022


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

    • Most Recent
  2. ANSI C78.20-2003 (R2007, R2015)

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

    • Historical Version