The standard values for service illuminance (Em [Lux]), color appearance (F), color rendering group (Ra), and unified glare restriction (UGRL) according to EN 12464-1 are listed in the table for the various types of interior or activity. The ratings for service illuminance, color rendering group, and direct glare restriction class represent minimum values to be met by the lighting system.


Interiors / Activities

Em[lx]

F

Ra

UGRL

For personnel

100

ww, nw

40

28

For personnel and vehicles

150

ww, nw

40

28

Stairs, ramps, escalators

150

ww, nw

40

25

Loading bays, Automatic conveyors and belts in circulation areas

150

ww, nw

40

25