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raditechman · 26th Sep 2010, 9:32 am

I think the Phillips fitting with the long wire "choke" in a thin metal bar running the length of the tube, mentioned by Andrew, actually used a resistance wire. This made the fitting much lighter in weight. There was another similar fitting which used a filament lamp as the ballast. I cannot remember the wattage probably about 60watt bulb, not sure of the tube possibly a 65watt.
John

26th Sep 2010, 9:32 am	#17
raditechman Heptode Join Date: Feb 2007 Location: West London, UK. Posts: 867	Re: Obsolete fluorescent light fittings I think the Phillips fitting with the long wire "choke" in a thin metal bar running the length of the tube, mentioned by Andrew, actually used a resistance wire. This made the fitting much lighter in weight. There was another similar fitting which used a filament lamp as the ballast. I cannot remember the wattage probably about 60watt bulb, not sure of the tube possibly a 65watt. John