NEMA - ANSI C136.24
Roadway and Area Lighting Equipment — Nonlocking (Button) Type Photocontrols
|Publication Date:||1 January 2020|
This Standard covers the electrical and mechanical interchangeability of nonlocking type photocontrols for mounting within a roadway or off-roadway luminaire, herein called "controls." These controls are commonly called "button" photocontrols.