Most recent
ANSI/IES LM-45-20 (R2023)
Approved Method: Electrical and Photometric Measurements of General Service Incandescent Filament Lamps
This Approved Method describes the procedures to be followed and the precautions to be observed in obtaining uniform and reproducible measurements of the electrical and photometric characteristics of general service incandescent filament lamps under standard conditions. Measurement of incandescent reflector lamps is not included in this Approved Method.
Illuminating Engineering Society of North America [iesna]