Negative Positive
Title: Be prepared to keep replacing bulbs.
Review: Just like the other reviewer, I too had to keep replacing the bulbs. I tried everything. I used gloves when replacing the bulbs so as not to get oil on the bulbs. Used both 300 and 500 watt bulbs. Even tried bulbs rated for 130 volts. Everything I tried, the bulbs would keep blowing after a few hours. I noticed that the ceramic insulation on the bulbs would usually deteriate and crack off. In frustration, I tried spreading the contacts further apart as they are able to be bent but this did not solve my problem. Finally took the lamp down and installed a new Lithonia lamp and the problem is solved. I would say that the Cooper light is junk.
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