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Codes + Standards

NEMA Publishes NEMA SSL 4 Retrofit Lamps: Minimum Performance Requirements

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 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 learn more and download.

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Craig DiLouie
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IES Street & Area Lighting Conference
Light Expo London
Canada Light Expo 2026
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