Hi Thomas,

Thanks for the information. I find it useful. I went through a couple of safelights already. They were old fashioned technology of incandescent bulbs and sodium vapor. I got very old Thomas Duplex that safelight that is near the end of it's life. I think the new LED technology is more energy efficient and quieter. My Thomas Duplex hums when it's on. I'll buy some orange rope lights for my darkroom soon.