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quote:
Originally posted by hal9000:
What is the difference between DOT SAE and ECE version (I get that it's for US vs. Europe) but in terms of the actual light what is the difference?


This from Wikipedia: http://en.wikipedia.org/wiki/Headlamp

quote:
Low beam (dipped beam, passing beam, meeting beam) headlamps provide a distribution of light designed to provide adequate forward and lateral illumination with limits on light directed towards the eyes of other road users, to control glare. This beam is intended for use whenever other vehicles are present ahead. The international ECE Regulations for filament headlamps and for high-intensity discharge headlamps specify a beam with a sharp, asymmetric cutoff preventing significant amounts of light from being cast into the eyes of drivers of preceding or oncoming cars. Control of glare is less strict in the North American SAE beam standard contained in FMVSS / CMVSS 108.
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