Dmitrij Gancho wrote: > Thank you dirk, for the reply. > What about indoor/outdoor cold cathode lighting ? > What are the reasons? > > dmitrij > For cold cathode I prefer, and therefore use, the strayfield transformer always. No exeption. By 100 mA I use 6 kV as a maximum with 21 mm tubing. By 150 mA I use 5 kV as a maximum with 23 mm tubing. By 200 mA I use 4200 volt as a maximum with 25 mm tubing. Best from dirk.