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 |
|
Cable and wire manufacture |
300 |
ww, nw |
80 |
25 |
|
Winding armatures - coils with thick wire - coils with medium wire - winding fine wire coils |
300 500 750 |
ww, nw |
80 |
25 22 19 |
| Coil coating and impregnation | 300 |
ww, nw | 80 |
25 |
|
Assembling - rough, e.g. big transformers - medium fine, e.g. switchboards - fine, e.g. telephones - precision, e.g. gauges |
300 500 750 1000 |
ww, nw |
80 |
25 22 19 16 |
|
Electronics workshops, testing, adjusting |
1500 |
ww, nw, tw |
80 |
16 |