February 27, 2012 – The National Electrical Manufacturers Association (NEMA) has published NEMA SSL 4 Retrofit Lamps: Minimum Performance Requirements. This publication applies to integral Light Emitting Diode (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 criteria applies to both integral LED lamps of non-standard form, and those intended to replace standard general service incandescent lamps, decorative (candelabra style) lamps, and reflector lamps. CLICK HERE to view the contents and scope of SSL 4.

NEMA