S s.cabbie@netzero.net Member Location Montana Apr 25, 2013 #1 i know these things were tempermental, and still are... so... what's the deal? if you put ft40dl lamps in a ft40 ballast, it ruins the ballast. anyone know the specifics on these???
i know these things were tempermental, and still are... so... what's the deal? if you put ft40dl lamps in a ft40 ballast, it ruins the ballast. anyone know the specifics on these???