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.

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.

The production superintendent met with a lighting consultant who recommended a complete redesign of the lighting system. But the fact that the consultant wanted the redesign job and the fact that the lighting was deemed sufficie

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