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NEMA Paper Addresses Issues on Four-Pin Spiral CFLs
The National Electrical Manufacturers Association (NEMA) has published LSD39-2007 Four-Pin Spiral Compact Fluorescent Lamp Systems Issues, Recommendations, and Standardization.
This white paper discusses potential systems issues that might arise when some four-pin spiral compact fluorescent lamps (CFLs) are operated in luminaires that are neither specifically approved nor third-party safety-listed for use with such lamps.
It discusses industry plans to include this emerging lamp type in proposed American national consensus standards for industry, and it summarizes current recommendations to minimize potential field issues involving this emerging lamp type. The paper does not address self-ballasted integral CFLs with Edison bases.
The paper is available for free download.