fresnels

I have a group of Selecon Rama 150 6 inch fresnels that are not *really* working. Some of them seem to have wiring problems, and the lamps blow at alarming rates. We even had an issue when a lamp blew right after being replaced, and almost put a student in danger. Has anyone else experienced...

Hi all, I have about 30 Strand 6" Fresnelites that I have been replacing bases on more frequently than I think necessary. The problem appears to be arcing with carbon build up between the bottom of the lamp base and the spring loaded connector in the base. I have tried different brands of...