These lamps require the use of a ballast. I think making a light box out of a bank of 36W or 40W BLB tubes will give a much more even coverage of UV over the surface of the print in a smaller box than using a single (or a number of) 125W BLB mercury vapour lamp(s). Buying a handful of ordinary fluoro battens and replacing the tubes with BLB type tubes is simpler than messing about with lamp holders, ballasts, power factor capacitors etc. (at least, I'm planning to go down the path of using the tubes).
Originally Posted by Jerevan