ANSI C78.53-2019

American National Standard for Electric Lamps – Performance Specifications for Direct Replacement LED (Light Emitting Diode) Lamps
standard by American National Standards Institute, 05/23/2019

ANSI C78.1413-2001

American National Standard for Dimensions and Centering Systems for Projection Lamps – 51 mm (2 in.) Integral Reflector, Rim Reference Lamps with GX5.3, GY5.3 and GU5.3 Bases
standard by American National Standards Institute,