Standardization organizations sites
- International Commission on Illumination (CIE)
- International Electrotechnical Commission (IEC)
- European Committee for Electrotechnical Standardization (CENELEC)
- International Organization for Standardization (ISO)
- European Committee for Standardization (CEN)
- American National Standards Institute (ANSI)
- American Society for Testing and Materials (ASTM)
- International Commission on Non-Ionizing Radiation Protection (ICNIRP)