2001NEMA LE 5-2001 Procedure for Determining Luminaire Efficacy Ratings for Fluorescent Luminaires (Scope for Additional Partially Replaced Information)
1995NEMA LE 5-1995 Procedure for Determining Luminaire Efficacy Ratings for Fluorescent Luminaires
1993NEMA LE 5-1993 Procedure for Determining Luminaire Efficacy Ratings for Fluorescent Luminaires