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http://ecmweb.com/
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http://ecmweb.com/mag/electric_lightfair_internationals_innovation/
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EC&M: Lightfair International's 2007 Innovation Awards

Christmas Lights · 1 year ago

describing lights in terms of watts is simply a measurement of the amount of electrical power the light uses, not the amount of illumination it produces. Some manufacturers use watts because most people are familiar with household light bulbs being rated this way