Since the new columns have been installed the road/pathway appears much brighter/darker, why?
This is due to modern lanterns fitted to the new columns which emit a white light (in residential roads) and is far better controlled than the old lights. Existing street lights had to compensate for their poor lighting control by using higher powered lamps, hence they over lit in some areas to achieve a minimum level elsewhere. The new lights achieve a more even lighting level throughout but the white light source can appear to be brighter to the eye. The lamps can also be brighter when first installed but will settle in a few weeks to a lower level.
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- Since the new columns have been installed the road/pathway appears much brighter/darker, why?
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