Donate SIGN UP

streetlights

Avatar Image
gippa1973 | 17:05 Mon 10th May 2004 | Adverts
1 Answers
why are streetlamps, all amber instead of white?
Gravatar

Answers

Only 1 answerrss feed

Best Answer

No best answer has yet been selected by gippa1973. Once a best answer has been selected, it will be shown here.

For more on marking an answer as the "Best Answer", please visit our FAQ.
They are yellow lights because they are sodium bulbs which glow at a much lower temp than the tungsten filaments in a house bulb for instance. They take a lot longer to start up as well glowing red for a couple of minutes for the same reason.

Only 1 answerrss feed

Do you know the answer?

streetlights

Answer Question >>