Stircrazy is the one to answer this. But FWIW, I think I read once that probe start lamps start OK on pulse starts. Ie., they just start using the pulse instead of the probe. I might be stretching it now but I think I even remember reading that the pulse starts are easier on the probe-start lamps. So a pulse start lamp has trouble on a non-pulse ballast, but a pulse start ballast can fire either. 
		
	
		
		
		
		
			
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				 -- Tony 
 My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills.  Whee! 
 
			 
		
		
		
		
	
		
		
	
	
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