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 nearly 350 electrical equipment and medical imaging manufacturers at the forefront of electrical safety, reliability, and resilience, as well as efficiency and energy security. Our combined industries account for 360,000 American jobs in more than 7,000 facilities covering every state. Our industry produces $106 billion shipments of electrical equipment and medical imaging technologies per year with $36 billion exports.