Codes + Standards

Codes + Standards

New Lighting Standard Outlines How to Designate LED Direct Replacement Lamps

ANSI Accredited Standards Committee C78, Electric Lamps, recently published ANSI C78.52-2017 American National Standard for Electric Lamps—LED (Light Emitting Diode) Direct Replacement Lamps—Method of Designation. The National Electrical Manufacturers Association (NEMA) serves as secretariat for the standard. ANSI C78.52 is a new lighting standard on how to designate LED lamps that are direct replacements for [...]

Codes + Standards

NEMA Publishes Standard on Test Methods for Temporal Light Artifacts

The National Electrical Manufacturers Association (NEMA) recently published NEMA 77-2017 Temporal Light Artifacts: Test Methods and Guidance for Acceptance Criteria. Temporal Light Artifacts (TLA) are undesired changes in visual perception induced by a light stimulus whose luminance or spectral distribution fluctuates with time, such as flicker and stroboscopic effect. This new lighting standard makes recommendations [...]