The National Electrical Manufacturers Association (NEMA) published
ANSI C136.41-2013 For Roadway and Area Lighting
Equipment–Dimming Control Between an External Locking Type Photocontrol and
Ballast or Driver.
This standard 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. All requirements of ANSI C136.10-2010, for photocontrols and receptacles, shall apply except where specifically superseded by this standard.
C136.41-2013 For Roadway and Area Lighting Equipment–Dimming Control Between an External Locking Type Photocontrol and Ballast or Driver may be purchased in electronic or hardcopy format on the NEMA website or purchased in hardcopy for $52.
NEMA is the association of electrical equipment and medical imaging manufacturers, founded in 1926 and headquartered in Rosslyn, Virginia. Its 400-plus member companies manufacture a diverse set of products including power transmission and distribution equipment, lighting systems, factory automation and control systems, and medical diagnostic imaging systems. Total U.S. shipments for electroindustry products exceed $100 billion annually.
Press/Public Relations Contacts:
NEMA Communications Department
Email: Contact Form