In article ,
Andy Burns wrote:
Brian Gaff wrote:

in a large branch of Boots and the fluorescent lights on the ceiling
seemed to strobe in waves it was very weird at the time. As I
gradually lost my sight I started to

banks of tubes split over a three-phase supply? or with lead-lag
ballasts?

Using three phase mains speed florries was the way to avoid strobing with
older TV cameras. Was the standard lighting rig for boxing matches.

--
*Never miss a good chance to shut up.*

Dave Plowman London SW
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