ANSI Reaffirms ANSI C78.42 High-Pressure Sodium Lamps Standard

The National Electrical Manufacturers Association (NEMA) announced that ANSI Accredited Standards Committee C78 reaffirmed ANSI C78.42 High-Pressure Sodium Lamps. This standard sets forth the physical and electrical requirements for HPS lamps, to ensure performance and interchangeability. The data given also provides the basis for the electrical requirements for ballasts and ignitors, as well as the lamp-related requirements for luminaires.  

ANSI C78.42-2009 (R2016) is available in hard copy or electronic download for $480 on the NEMA website.

NEMA’s Lighting Systems Division, as secretariat of ANSI’s ASC C78 for Electric Lamps, is looking for industry experts in the User and General Interest categories to participate in standards development activities. Contact NEMA at nemalighting@nema.org if you are interested. Please indicate your interest category and your area of expertise.

Disclaimers of Warranties
1. The website does not warrant the following:
1.1 The services from the website meets your requirement;
1.2 The accuracy, completeness, or timeliness of the service;
1.3 The accuracy, reliability of conclusions drawn from using the service;
1.4 The accuracy, completeness, or timeliness, or security of any information that you download from the website
2. The services provided by the website is intended for your reference only. The website shall be not be responsible for investment decisions, damages, or other losses resulting from use of the website or the information contained therein<
Proprietary Rights
You may not reproduce, modify, create derivative works from, display, perform, publish, distribute, disseminate, broadcast or circulate to any third party, any materials contained on the services without the express prior written consent of the website or its legal owner.

The Fighting Illini turned to Daktronics (NASDAQ-DAKT) of Brookings, South Dakota, to design, manufacture and install the largest main video display in college football, totaling 17,300+ square feet. The project includes 16 LED displays that c... READ MORE

Since January 1, 2026, drivers in Spain have been required to carry certified V16 warning lights on expressways and highways, which are directly connected to the traffic authorities when in use. With the LEDguardian ROAD FLARE Signal V16 IoT, ... READ MORE