By Alyssa Dalton
October 21, 2014 – Have you ever wondered how to measure LED lighting performance and efficiency correctly? Can you explain the difference between lighting efficacy and efficiency?
Columbia Lighting, a Hubbell Lighting brand, has introduced its Watch and Win contest that features two videos on the basics of lighting efficiency and efficacy. To participate, watch the two videos, take the quiz, and get entered to win a free $50 iTunes gift card.
The contest runs through October 31, 2014; two winners will be announced the following day.