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 ...

FLAGSTAFF — Since the passage in the 1980s of Flagstaff's comprehensive lighting ordinance, the golden hues of low-pressure sodium lights have come to prevail in Flagstaff skies. They are a response ...

Dhaka City Corporation (DCC) and Roads and Highways Department have replaced the existing low-pressure sodium lights with high-pressure ones in a bid to enhance the visibility of the traffic at night.

Proper outdoor lighting necessitates the use of "full cutoff" fixtures to minimize upward light emission and glare, thereby enhancing safety and security. Optimal outdoor lighting involves using the ...