Advertising banner for SlimLED luminaire: 'SLIM IS IN!' with a ceiling light and a features list on the right.

Codes + Standards, Lighting Industry

NEMA Publishes Two Lighting Standards

Craig DiLouie June 12, 2009

Leviton G24 lampholder for CFLs.

Leviton G24 lampholder for CFLs.

The National Electrical Manufacturers Association (NEMA) has published ANSI/ANSLG C81.61-2009 Electrical Lamp Bases—Specifications for Bases (Caps) for
Electric Lamps and ANSI/ANSLG C81.62-2009 Electric Lampholders. Both documents were last revised in 2007.

C81.61 and C81.62 respectively cover lamp bases (caps) and lampholders for electric lamps. Both standards were revised to include G24 lampholder and base dimensions.

ANSI/ANSLG C81.61 may be downloaded free here. ANSI/ANSLG C81.62 may be downloaded free here. Or call IHS at 800.854.7179 (US) or 303.397.7956 (international) to purchase hard copies of C81.61 for $380 and C81.62 for $280.

author avatar
Craig DiLouie
See Full Bio

You Might also Like

Lighting Industry

Distribution Consolidation Accelerates And Impacts Lighting

Lighting Design, Lighting Industry

What Specifiers Need From Manufacturers

Promotional poster for NaturalLED Slim Canopy LED highlighting its features and finish options.

Events

IES26: The Lighting Conference

Denver, CO

August 13-15, 2026

CEDIA Expo / Commercial Integrator Expo

Denver, CO

September 1-4, 2026

ArchLIGHT Summit

Dallas, TX

September 15 -16, 2026

DALI Alliance North America Summit + Technical Training 2026 (co-located with ArchLIGHT Summit)

Dallas, TX

September 16-17, 2026

ALA Conference 2026

Tucson, AZ

September 27-29, 2026

Click For More

Archives

Categories

About

Launched in 2001, LightNOW covers the rapidly changing lighting world for lighting people. Check-in daily to see new posts by Editor David Shiller, Craig DiLouie, and other experts in the lighting field including consultants and lighting designers. Posts include news items to keep you up to date, short opinion pieces to invite you to consider another point of view, new products every Monday, and links to new research and tools to help you design with light. Also be sure to subscribe to the LightNOW newsletter (free), which is published every two weeks as a digest of articles on the site. We always welcome your feedback, so feel free to comment on any of the stories that appear here at LightNOW. If you are a manufacturer, LightNOW offers a low-cost ad vehicle to reach thousands of specifiers, contractors, reps, distributors, consultants, owners, and other stakeholders in the sales channel. For advertising inquiries, contact Suelynn Shiller. Thank you for visiting, and we hope you find LightNOW useful for your career in lighting

Light Now Logo

Lighting Solution Development
7889 River Hill Lane, Alexandria, PA 16611-2604

THE INFORMATION CONTAINED IN ALL ARTICLES PUBLISHED ON WWW.LIGHTNOWBLOG.COM HAS BEEN OBTAINED FROM SOURCES BELIEVED TO BE RELIABLE. DAMAGES ARISING FROM ERRORS, OMISSIONS, OR DAMAGES AS A RESULT OF THE USE OR MISUSE OF THE DATA OR INFORMATION CONTAINED AT WWW.LIGHTNOWBLOG.COM ARE NOT THE RESPONSIBILITY OF LIGHTING SOLUTION DEVELOPMENT, INTER.LIGHT, INC., ZING COMMUNICATIONS, INC., OR THEIR EMPLOYEES. ALL INFORMATION CONTAINED AT WWW.LIGHTNOWBLOG.COM IS PUBLISHED FOR PROFESSIONALS SEEKING INFORMATION ABOUT THE SUBJECTS CONTAINED THEREIN. IT IS NOT THE INTENT OF WWW.LIGHTNOWBLOG.COM TO PROVIDE PROFESSIONAL SERVICES SUCH AS DESIGN, ENGINEERING, OR CONSULTING. IF THESE SERVICES ARE SOUGHT, THEY SHOULD BE RENDERED BY PROPERLY TRAINED, REGISTERED, REGULATED AND INSURED PROFESSIONALS.

© Copyright 2026 LightNOW