Document ID: chunk:federal_register_of_legislation:F2023C00165:reg:12v:p2
Version: federal_register_of_legislation:F2023C00165
Segment Type: reg
Provision Reference: reg 12V (pt 2/2)
Character Range: 62232–65765

passing through the reference axis and through the intersection of the circle of diameter "M" with the axis of the reference pin.

    11/ Plane HH is the plane perpendicular to both the reference plane and plane VV and passing through the reference axis.
CATEGORY P21W

Sheet P21W/1
     Dimensions in mm                                                                                                                                                             Standard
                                                                                                                                                              Filament lamps of   filament
                                                                                                                                                              normal production   lamp

   min.                                                                                                                                                       nom.                max.
e                                                                                                                                                                                 31.8 3/                  31.8 +/- 0.3
     f                                                                                                                                                        12 V                   5.5      6.0          7.0               6.0 +/- 0.5

6, 24 V 4/                                                                                                                                                                                    7.0
Beta                                                                                                                                                          75 degrees          90 degrees  105 degrees  90 degrees +/- 5
                                                                                                                                                                                                           degrees
     Lateral deviation 1/                                                                                                                                                                     3/           0.3 max.

Cap BA 15s in accordance with IEC Publication 61 (sheet 7004-11A-8) Lamps with cap BA 15d may be used for special purposes; they have the same dimensions2/
ELECTRICAL AND PHOTOMETRIC CHARACTERISTICS
Rated values                                                                                                                                                      V               6           12           24                12

    W                                                                                                                                                         21                  21
Test voltage                                                                                                                                                      V                  6.75     13.5         28.0
Objective
values                                                                                                                                                            W
                                                                                                                                                              +/- %                  26       25           28                25 at 13.5V