February 4, 2014 – The National Electrical Manufacturers Association (NEMA) has published ANSI_ANSLG C78.901-2013 American National Standard for Electric Lamps—Single-Based Fluorescent Lamps—Dimensional and Electrical Characteristics to assist in the proper application of single-based fluorescent lamps.

Specifications for both the lamp itself and the interactive features of the lamp with the ballast are given. These lamps are designed for 60Hz and/or high frequency operation.