NBN EN 60921 : 2005 AMD 1 2006

INTRODUCTION
1 Scope
2 Normative References
3 Terms and definitions
4 General notes on tests
5 Marking
6 Voltage at terminations of lamp or starter (if any)
   6.1 For lamps operated with a starter
   6.2 For lamps operated without a starter
   6.3 For lamps operated without a starter (North
       American practice)
   6.4 Maximum (r.m.s.) voltage across starter terminals
       with lamp operating
   6.5 For lamps with integral means of starting
7 Pre-heating conditions
   7.1 For lamps operated with (integral) starter
   7.2 For lamps operated without starter
   7.3 For lamps operated without starter (North American
       practice)
8 Lamp power and current
   8.1 For lamps operated with (integral) starter
   8.2 For lamps operated without starter
9 Circuit power-factor
10 Supply current
11 Maximum current in any lead to a cathode
12 Current waveform
13 Magnetic screening
14 Impedance at audio-frequencies
Annex A (normative) Tests
      A.1 General conditions for tests
      A.2 Additional requirements for testing reference
          ballasts
      A.3 Selection of reference lamps
      A.4 Measurement of open-circuit voltage
      A.5 Measurements of pre-heating conditions
      A.6 Measurement of lamp power and current
      A.7 Measurement of maximum current in any lead to
          a cathode
      A.8 Measurement of current waveform (Figure A.9)
      A.9 Measurement of impedance at audio-frequencies
Annex B (informative) Series operation of two fluorescent
         lamps
Annex C (normative) Reference ballasts
      C.1 Marking
      C.2 Design characteristics
      C.3 Operating characteristics
Annex D (normative) Reference lamps
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications
Bibliography