Historical
NEMA ANSI/IEC C81.64:2005
Guidelines and general information for electric lamp bases, lampholders, and gauges
Provides guidance and information to designers and testing personnel on the use of ANSI/IEC C81.61, ANSI/IEC C81.62, ANSI/IEC C81.63 and their supplements.
NEMA: National Electrical Manufacturers Association [nema]