Stadium lighting

What type of lights are used in stadiums? The majority of sports stadiums and indoor arenas use high intensity discharge lamps. Stadium lights have more power than other outdoor lighting applications. What are stadium lights made of? Metal halide lamps have been used to light up baseball stadiums for a long time. The metal lamps […]

Why are stop lights blue?

What does the blue light mean at stop lights? What do blue lights on the street mean? The blue raised pavement markers, or RPMs, are installed by local and state agencies to help first responders locate fire hydrants. They are encouraged to be a public safety supplement. What are the purple lights on stop lights? […]

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