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Non-cycling Lumalux Plus/Eco high pressure sodium lamps

DANVERS, Mass. - Three major utility companies, Tampa Electric Company (TECO) in Fla., Central Maine Power, and IntoLight in Wash., have dealt with customer concerns about street lighting lamps being out and not being replaced. The solution came to them from Osram Sylvania in the form of a non-cycling Lumalux Plus/Eco high pressure sodium lamps.

Crews from the utility companies would respond to reports of street lights that were not working properly, but often found the lamps to be operational. According to Sylvania, when standard high pressure lamps begin to expire, they will light but will go out once they warm up, making it difficult for crews to find the outages.

The Lumalux Plus lamps offer a life of 30,000 hours, nearly 6,000 hours over the standard HPS product offered by Sylvania. These figures extend the field application life by 1 to 1 1/2 years. Furthermore, the lamps go out and stay out at the end-of-lamp life.

"We've had many dissatisfied customers due to cycling lamps," said Barry Hawkins of TECO. "When the trouble-man goes out to the pole, he covers the photocell to see that the lamp is operational and leaves for another job if the lamp lights. It is very costly to wait 15 minutes for the lamps to warm up and cycle out, as a trip to the pole costs $65 to $100.

"Expected savings for eliminating repeat trips to the same pole are conservatively estimated to be $162,400 over the next three years," Hawkins said. "This does not include replacement of the ignitor, which is stressed when the lamp is cycling. In addition we'll be getting another year and a half life out of the lamp, which justifies the cost of the lamp price increase over the standard project."

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October 17, 2019, 6:22 am PDT

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