2011年1月20日 星期四

LED bulbs are too cool

LED bulbs are too cool

Going green is presenting some problems for transportation departments when vehicles can't see the green.

Traffic signals are being covered with packed snow after particularly violent or windy snow storms, forcing transportation crews to clear snow from the signals in order for motorists to see the red, yellow and green lights.

Five years ago, the traffic signals didn't need clearing off after a snowstorm. The incandescent bulbs burned hot enough to melt the snow that was stuck on the lens.

The snow isn't melting from the lights now because the new LED bulbs are too efficient to produce excess heat.The KMC top brass were divided Led strip light when an MNC approached them to adopt the latest technology for street lighting. While mayor Sovan Chatterjee welcomed the change,

Over a three-year period, from 2003 to 2006,The 13W bulb will be made available for purchase in January for less than $30, and should led tube to use 75% less energy than the 60W incandescent bulb it is designed to replace. county, municipal and provincial transportation departments replaced incandescent bulbs with LED bulbs.

"LED signal lamps reduced energy consumption by as much as 80 per cent," according to Emna Dhahak, spokesperson for the Ministry of Transportation Ontario.

Though these LED lights are not mandatory, they are standard for signal lights and lights on a newer model snowplow.

Gary Shaw,With the lighting change, the church will table lamps save more than $180 a year in energy costs. However, the payback for these changes will be in 10 years, as the bulb project is costing the church $1,700, Brothers said. director of transportation and public safety for Grey County,It was the erstwhile Left Front board that first decided to modernize streetlights Air max classic on some major thoroughfares. The former member, mayor-in-council (lighting) Sushil Sharma took the initiative to install LEDs on select roads. said the snow-packed signal lights are a problem.

The number of snow-packed signal lights depends on the direction of the wind and the temperature during the storm. Many lights were snow-covered after the monstrous storm in the area a few weeks ago.The Tess 7W and 9W LED Light Bulbs. These light bulbs produce the same brightness as 40W and 60W standard light bulbs led lights respectively, but use less than 20 percent as much electricity.

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