Manufacturers originally designed double-ended high-pressure sodium light bulbs so they would be compatible with double-ended metal halide fixtures. Traditional single-ended high-pressure sodium bulbs ...
Traffic Technician for the Traffic Control and Engineering department for the City of Allentown, Brian Sigoda of Allentown changes the high pressure sodium light bulb in a lamppost on 6th Street in ...
Elk Grove residents will notice something different about their street lights as the city retrofits nearly 10,000 lamps with energy-saving LEDs.The light emitting diode lights were selected after a ...
CULPEPER, Va. (WUSA9) -- Things may look a little brighter the next time you go to downtown Culpeper. Town officials tell us that crews have started replacing high-pressure sodium bulbs with more ...
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