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NEMA Publishes Standard for SSL Retrofit Lamps

The US National Electrical Manufacturers Association (NEMA) has published NEMA SSL 4-2012 entitled “SSL Retrofit Lamps: Suggested Minimum Performance Requirements.” The standard applies to integral LED lamps, which are defined as a lamp with LEDs, an integrated LED driver, and a base that meets appropriate American National Standards (ANSs) and is designed to connect to the branch circuit via a lampholder/socket that meets appropriate ANSs. The contents of SSL 4 may be viewed at
Other SSL-related standards from NEMA:
        SSL 6: Solid State Lighting for Incandescent Replacement—Dimming
        SSL 3: High-Power White LED Binning for General Illumination
        SSL 1: Electronic Drivers for LED Devices, Arrays or Systems