International Electrotechnical Commission
Glossary

Terms defined in IEC 62257-12-1


3.1illuminance (of an elementary surface) (symbol E)
3.1environmental conditions
3.2environmental conditions
3.2lux
3.3luminous efficacy (lm/W)
3.3illuminance
3.4luminous efficacy
3.4power factor
3.5compact fluorescent lamp (CFL)
3.5full width half maximum
3.6real (or effective) power
3.6power factor
3.7rated voltage v (V)
3.7active power
3.8rated frequency
3.8total harmonic distortion
3.9total harmonic distortion (THD)
3.9IP class
3.10lighting equipment
3.10metadata
3.11multimeter
3.11luminaire
3.12ammeter
3.12GS
3.13colour
3.13voltmeter
3.14colour temperature
3.14illuminance meter
3.15rated colour
3.15integrating sphere
3.16lamp
3.17integrated compact fluorescent lamp
3.18non-integrated compact fluorescent lamp
3.19compact fluorescent lamp
3.20linear fluorescent lamp
3.21light emitting diode
3.22integrated LED lamp
3.23non-integrated LED lamp
3.24LED driver
3.25cap
3.26lampholder
3.27luminaire
3.28lighting appliance
3.29device under test