NEMA Reaffirms ANSI Standard for P28 electric lamp dimensions.
Press Release Summary:
National Electrical Manufacturers Association (NEMA) reaffirmed ANSI C78.1406-2004 American National Standard for Electric Lamps—P28 Single-Contact Medium Prefocus-Based Projection Lamps for Base-Down Operation—Dimensions, which is available via downloaded and in hard copy. Developed by Accredited Standards Committee for Electric Lamps, said standard establishes dimensions essential to interchangeability of single-contact medium prefocus-based projection lamps of T10 and T12 bulb sizes.
Original Press Release:
NEMA Reaffirms ANSI C78.1406-2004 American National Standard for Electric Lamps - P28 Single-Contact Medium Prefocus-Based Projection Lamps for Base-Down Operation - Dimensions
ROSSLYN, Va.—The National Electrical Manufacturers Association (NEMA) reaffirmed ANSI C78.1406-2004 American National Standard for Electric Lamps—P28 Single-Contact Medium Prefocus-Based Projection Lamps for Base-Down Operation—Dimensions. This standard establishes the dimensions essential to interchangeability of single-contact medium prefocus-based projection lamps of T10 and T12 bulb sizes.
ANSI C78.1406 was developed by the Accredited Standards Committee for Electric Lamps.
ANSI C78.1406-2004 (R2008, R2015) may be downloaded at no charge or purchased in hard copy for $39 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.
The National Electrical Manufacturers Association (NEMA) represents nearly 400 electrical, medical imaging, and radiation therapy manufacturers. Our combined industries account for more than 400,000 American jobs and more than 7,000 facilities across the U.S. Domestic production exceeds $117 billion per year. Our industry is at the forefront on electrical safety, reliability, resilience, efficiency, and energy security.
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