- ALA – American Lighting Association
- ANSI, American National Standards Institute
- DLF NE
- DOE Energy Efficiency and Renewable Energy – Lighting
- ELDA – European Lighting Designers’ Association
- EPA Energy Star
- IALD – International Association of Lighting Designers
- IESNA – Illuminating Engineering Society of North America
- International Dark-Sky Association – Light pollution
- IP Protection Class Chart – Quick reference chart for IP Protection Classes.
- NEMA – National Electrical Manufacturers Association
- NEMA / IEC – A brief comparison of NEMA and IEC protection class codes (pdf).
- NFPA – National Fire Protection Association