Document ID: chunk:federal_register_of_legislation:F2023C00165:reg:15
Version: federal_register_of_legislation:F2023C00165
Segment Type: reg
Provision Reference: reg 15
Character Range: 88557–89173

15                                                                  15
Reference luminous flux: 460lm at approx. 13.5V

1/ This dimension corresponds to the distance between two apertures of 3.5mm diameter.
2/ The position of the filament is checked by means of a "box system", sheet C21W/2.
CATEGORY C21W

Sheet C21W/2

Screen Projection Requirements
 This test is used to determine, whether a filament lamp complies with the requirements by checking, whether the filament is correctly positioned relatively to the reference axis and to the centre of the lamp's length.

Dimensions in mm

     a        h     k