The National Electrical
Manufacturers Association (NEMA) published ANSI C78.901-2014 American National
Standard for Electric Lamps—Single-Based Fluorescent Lamps—Dimensional and
This standard sets forth the
physical and electrical characteristics required to assure the
interchangeability and to assist in the proper application of single-based
fluorescent lamps. This revision includes data sheets, for high frequency
lamps, that contain information for dimming ballast design, effective January
1, 2015. It also incorporates changes to clauses regarding ballast and
may be purchased for $240 in electronic or hardcopy format on
the NEMA website.
The National Electrical Manufacturers Association (NEMA) represents 350 electrical and medical imaging manufacturers at the forefront of electrical safety, reliability, resilience, efficiency, and energy security. Our combined industries account for more than 400,000 American jobs and more than 7,000 facilities across the United States. Domestic production exceeds $114 billion per year and exports top $50 billion.