March/April 2021 | Vol. 26 No. 2
by Ann Brandstadter, Standards Manager, NEMA
American National Standard for Lamp Ballasts— Definitions—for Fluorescent Lamps and Ballasts provides definitions of terms used in ANSI C78 and C82 series Standards for fluorescent lamps and ballasts. The primary users of this Standard are manufacturers and testing houses/laboratories.
This revision includes:
- Added definition for ballast luminous efficiency
- Updates to the power factor definition to include displacement and harmonic distortion factor
ANSI C82.13-2020 is available at the NEMA Standards Store for $90
Other recently published Standards:
American National Standard for Degrees of Protection Provided by Enclosures (IP Code) (Identical National Adoption) ANSI/IEC 60529-2020 is available for $132.
Continuity of Coating Testing for Electrical Conductors NEMA WC 72-1999 (R2004, R2015, R2020) is available for $60. ei