Over the past year or so, complaints about the light levels in the manufacturing areas have been increasing. The lamps are metal-halide. The last relamping was a couple of years ago, so the cause can’t be that the lamps are approaching their end of life.
Electrical Troubleshooting Quiz, Nov. 26, 2013
Find out what to do if you get complaints about the metal-halide lamp lighting levels in your manufacturing areas.