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ANSI C136.41-2021
Roadway and Area Lighting Equipment – Dimming Control Between an External Locking Type Photocontrol and Ballast or Driver
Describes methods of light level control between an external locking type photocontrol (or similar device) and a dimmable ballast or driver for street and area lighting equipment. Mechanical, electrical, and marking requirements are established for dimming, locking type photocontrols and mating receptacles.
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NEMA: National Electrical Manufacturers Association [nema]
NEMA: National Electrical Manufacturers Association [nema]