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ANSI C136.1-2012 (S2022)
Roadway and Area Lighting Equipment -Filament Lamps - A Guide for Selection
This is a guide for the proper selection of filament lamps for use in roadway and area lighting equipment covered by the following American National Standards: ANSI C136.4, ANSI C136.5, ANSI C136.6, and ANSI C136.11.
NEMA: National Electrical Manufacturers Association [nema]