NEMA - National Electrical Manufacturers Association
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NEMA BL 2-2009
Scope
This standards publication contains energy-efficiency requirements for evaluating electronic ballasts designed for use with four-foot 32-watt T8 fluorescent lamps with a lumen output greater than or equal to 3100 lumens.
NEMA BL 2-2009 history
2009NEMA BL 2-2009 ENERGY EFFICIENCY FOR ELECTRONIC BALLASTS FOR T8 FLUORESCENT LAMPS
2007NEMA BL 2-2007 ENERGY EFFICIENCY FOR ELECTRONIC BALLASTS FOR T8 FLUORESCENT LAMPS